Applied Chemistry MCQs with Answers

Applied Chemistry MCQs with Answers

Applied Chemistry MCQs with answers for chemical industry, sugar, starch, leather, unit operations and industrial chemistry exam preparation.

Applied Chemistry MCQs with Answers | ElecturesAI
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Applied Chemistry MCQs with Answers

Complete exam-preparation question bank based on industrial chemistry, chemical industries, sugar, starch and leather processing.

Author Note

Prepared with dedication by Engr. Dr. Muhammad Tahir Dilbar to help students learn smarter, practice better, and achieve success with confidence.

300MCQs
5Core Areas
SchemaQuestion Markup

Covered Topics

  • Fundamentals of Chemical IndustryBasic principles and parameters for industrial plant unit operations and unit processes.
  • Chemical IndustriesRaw materials, flow-sheet concepts, unit operations and unit processes for sulphuric acid, nitric acid, hydrochloric acid, oxalic acid, formic acid, caustic soda and washing soda, cement, petroleum, textile, polymer and fuel industries.
  • Sugar IndustryScope of sugar industry; manufacturing raw sugar from cane and beet; refining; clarification; defecation, carbonation, sulphitation, DRS, DPR, DDC, DCS and utilization of by-products.
  • Starch IndustryScope, raw materials, manufacturing starch from cereals and tubers, industrial uses, hydrolysis, glucose and dextrin production.
  • Leather IndustryLeather, gelatin, adhesives, hide preparation, tanning methods, vegetable and chrome tanning, processing and glue/gelatin production.

Q1. Which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q2. Which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q3. Which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q4. In industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q5. A catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q6. The common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q7. Sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q8. Nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q9. Hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q10. Caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q11. Washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q12. Cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q13. Petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q14. The textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q15. Polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q16. Fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q17. Raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q18. Clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q19. Defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q20. Carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q21. Sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q22. A major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q23. Beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q24. Starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q25. Common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q26. Hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q27. Dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q28. A common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q29. Leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q30. Tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q31. Vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q32. Chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q33. Gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q34. Industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q35. Preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q36. A good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q37. Quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q38. Material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q39. Energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q40. Process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q41. In a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q42. The role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q43. Crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q44. Filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q45. Evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q46. Distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q47. Absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q48. Industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q49. Effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q50. The most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

Q51. In applied chemistry, which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q52. In applied chemistry, which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q53. In applied chemistry, which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q54. In applied chemistry, in industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q55. In applied chemistry, a catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q56. In applied chemistry, the common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q57. In applied chemistry, sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q58. In applied chemistry, nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q59. In applied chemistry, hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q60. In applied chemistry, caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q61. In applied chemistry, washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q62. In applied chemistry, cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q63. In applied chemistry, petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q64. In applied chemistry, the textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q65. In applied chemistry, polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q66. In applied chemistry, fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q67. In applied chemistry, raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q68. In applied chemistry, clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q69. In applied chemistry, defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q70. In applied chemistry, carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q71. In applied chemistry, sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q72. In applied chemistry, a major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q73. In applied chemistry, beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q74. In applied chemistry, starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q75. In applied chemistry, common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q76. In applied chemistry, hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q77. In applied chemistry, dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q78. In applied chemistry, a common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q79. In applied chemistry, leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q80. In applied chemistry, tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q81. In applied chemistry, vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q82. In applied chemistry, chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q83. In applied chemistry, gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q84. In applied chemistry, industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q85. In applied chemistry, preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q86. In applied chemistry, a good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q87. In applied chemistry, quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q88. In applied chemistry, material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q89. In applied chemistry, energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q90. In applied chemistry, process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q91. In applied chemistry, in a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q92. In applied chemistry, the role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q93. In applied chemistry, crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q94. In applied chemistry, filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q95. In applied chemistry, evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q96. In applied chemistry, distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q97. In applied chemistry, absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q98. In applied chemistry, industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q99. In applied chemistry, effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q100. In applied chemistry, the most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

Q101. For industrial practice, which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q102. For industrial practice, which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q103. For industrial practice, which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q104. For industrial practice, in industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q105. For industrial practice, a catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q106. For industrial practice, the common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q107. For industrial practice, sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q108. For industrial practice, nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q109. For industrial practice, hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q110. For industrial practice, caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q111. For industrial practice, washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q112. For industrial practice, cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q113. For industrial practice, petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q114. For industrial practice, the textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q115. For industrial practice, polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q116. For industrial practice, fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q117. For industrial practice, raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q118. For industrial practice, clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q119. For industrial practice, defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q120. For industrial practice, carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q121. For industrial practice, sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q122. For industrial practice, a major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q123. For industrial practice, beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q124. For industrial practice, starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q125. For industrial practice, common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q126. For industrial practice, hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q127. For industrial practice, dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q128. For industrial practice, a common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q129. For industrial practice, leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q130. For industrial practice, tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q131. For industrial practice, vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q132. For industrial practice, chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q133. For industrial practice, gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q134. For industrial practice, industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q135. For industrial practice, preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q136. For industrial practice, a good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q137. For industrial practice, quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q138. For industrial practice, material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q139. For industrial practice, energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q140. For industrial practice, process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q141. For industrial practice, in a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q142. For industrial practice, the role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q143. For industrial practice, crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q144. For industrial practice, filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q145. For industrial practice, evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q146. For industrial practice, distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q147. For industrial practice, absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q148. For industrial practice, industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q149. For industrial practice, effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q150. For industrial practice, the most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

Q151. From a production viewpoint, which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q152. From a production viewpoint, which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q153. From a production viewpoint, which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q154. From a production viewpoint, in industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q155. From a production viewpoint, a catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q156. From a production viewpoint, the common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q157. From a production viewpoint, sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q158. From a production viewpoint, nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q159. From a production viewpoint, hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q160. From a production viewpoint, caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q161. From a production viewpoint, washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q162. From a production viewpoint, cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q163. From a production viewpoint, petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q164. From a production viewpoint, the textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q165. From a production viewpoint, polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q166. From a production viewpoint, fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q167. From a production viewpoint, raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q168. From a production viewpoint, clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q169. From a production viewpoint, defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q170. From a production viewpoint, carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q171. From a production viewpoint, sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q172. From a production viewpoint, a major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q173. From a production viewpoint, beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q174. From a production viewpoint, starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q175. From a production viewpoint, common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q176. From a production viewpoint, hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q177. From a production viewpoint, dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q178. From a production viewpoint, a common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q179. From a production viewpoint, leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q180. From a production viewpoint, tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q181. From a production viewpoint, vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q182. From a production viewpoint, chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q183. From a production viewpoint, gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q184. From a production viewpoint, industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q185. From a production viewpoint, preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q186. From a production viewpoint, a good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q187. From a production viewpoint, quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q188. From a production viewpoint, material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q189. From a production viewpoint, energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q190. From a production viewpoint, process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q191. From a production viewpoint, in a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q192. From a production viewpoint, the role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q193. From a production viewpoint, crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q194. From a production viewpoint, filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q195. From a production viewpoint, evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q196. From a production viewpoint, distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q197. From a production viewpoint, absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q198. From a production viewpoint, industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q199. From a production viewpoint, effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q200. From a production viewpoint, the most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

Q201. In a manufacturing plant, which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q202. In a manufacturing plant, which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q203. In a manufacturing plant, which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q204. In a manufacturing plant, in industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q205. In a manufacturing plant, a catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q206. In a manufacturing plant, the common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q207. In a manufacturing plant, sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q208. In a manufacturing plant, nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q209. In a manufacturing plant, hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q210. In a manufacturing plant, caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q211. In a manufacturing plant, washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q212. In a manufacturing plant, cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q213. In a manufacturing plant, petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q214. In a manufacturing plant, the textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q215. In a manufacturing plant, polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q216. In a manufacturing plant, fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q217. In a manufacturing plant, raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q218. In a manufacturing plant, clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q219. In a manufacturing plant, defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q220. In a manufacturing plant, carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q221. In a manufacturing plant, sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q222. In a manufacturing plant, a major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q223. In a manufacturing plant, beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q224. In a manufacturing plant, starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q225. In a manufacturing plant, common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q226. In a manufacturing plant, hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q227. In a manufacturing plant, dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q228. In a manufacturing plant, a common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q229. In a manufacturing plant, leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q230. In a manufacturing plant, tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q231. In a manufacturing plant, vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q232. In a manufacturing plant, chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q233. In a manufacturing plant, gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q234. In a manufacturing plant, industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q235. In a manufacturing plant, preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q236. In a manufacturing plant, a good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q237. In a manufacturing plant, quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q238. In a manufacturing plant, material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q239. In a manufacturing plant, energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q240. In a manufacturing plant, process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q241. In a manufacturing plant, in a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q242. In a manufacturing plant, the role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q243. In a manufacturing plant, crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q244. In a manufacturing plant, filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q245. In a manufacturing plant, evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q246. In a manufacturing plant, distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q247. In a manufacturing plant, absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q248. In a manufacturing plant, industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q249. In a manufacturing plant, effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q250. In a manufacturing plant, the most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

Q251. For exam preparation, which statement best describes a unit operation?

  1. A physical step such as mixing, filtration or evaporation
  2. A chemical reaction only
  3. A marketing activity
  4. A financial audit
Show Answer

Answer: A physical step such as mixing, filtration or evaporation

Q252. For exam preparation, which statement best describes a unit process?

  1. A chemical change used in manufacturing
  2. Only packaging of material
  3. Only movement of goods
  4. Only office documentation
Show Answer

Answer: A chemical change used in manufacturing

Q253. For exam preparation, which factor is most important before selecting industrial equipment?

  1. Nature of raw material and process requirement
  2. Color of building
  3. Office size
  4. Brand of computer
Show Answer

Answer: Nature of raw material and process requirement

Q254. For exam preparation, in industrial chemistry, a flow sheet mainly shows:

  1. Sequence of operations and material flow
  2. Employee attendance
  3. Sales targets only
  4. Library records
Show Answer

Answer: Sequence of operations and material flow

Q255. For exam preparation, a catalyst is used mainly to:

  1. Increase reaction rate without being consumed
  2. Stop all reactions permanently
  3. Increase product weight artificially
  4. Replace raw material completely
Show Answer

Answer: Increase reaction rate without being consumed

Q256. For exam preparation, the common contact process is associated with manufacture of:

  1. Sulphuric acid
  2. Washing soda
  3. Leather
  4. Starch
Show Answer

Answer: Sulphuric acid

Q257. For exam preparation, sulphur dioxide oxidation in sulphuric acid production commonly uses:

  1. Vanadium pentoxide catalyst
  2. Sodium chloride catalyst
  3. Limestone catalyst
  4. Gelatin catalyst
Show Answer

Answer: Vanadium pentoxide catalyst

Q258. For exam preparation, nitric acid is commonly manufactured industrially by oxidation of:

  1. Ammonia
  2. Methane
  3. Sodium chloride
  4. Starch
Show Answer

Answer: Ammonia

Q259. For exam preparation, hydrochloric acid is commercially obtained as an aqueous solution of:

  1. Hydrogen chloride gas
  2. Nitrogen dioxide
  3. Sulphur trioxide
  4. Calcium carbonate
Show Answer

Answer: Hydrogen chloride gas

Q260. For exam preparation, caustic soda is chemically known as:

  1. Sodium hydroxide
  2. Sodium carbonate
  3. Calcium oxide
  4. Potassium nitrate
Show Answer

Answer: Sodium hydroxide

Q261. For exam preparation, washing soda is chemically known as:

  1. Sodium carbonate decahydrate
  2. Sodium hydroxide
  3. Calcium sulphate
  4. Ammonium chloride
Show Answer

Answer: Sodium carbonate decahydrate

Q262. For exam preparation, cement mainly gains strength due to:

  1. Hydration reactions
  2. Combustion only
  3. Fermentation only
  4. Electrolysis of salt
Show Answer

Answer: Hydration reactions

Q263. For exam preparation, petroleum refining primarily separates crude oil by:

  1. Fractional distillation
  2. Chromatography of sugar
  3. Tanning
  4. Polymer knitting
Show Answer

Answer: Fractional distillation

Q264. For exam preparation, the textile industry commonly involves:

  1. Fiber processing, dyeing and finishing
  2. Ore smelting only
  3. Sugar crystallization only
  4. Hide tanning only
Show Answer

Answer: Fiber processing, dyeing and finishing

Q265. For exam preparation, polymerization is the process of:

  1. Joining monomers into polymers
  2. Breaking cement into clinker
  3. Converting hide into starch
  4. Separating crude oil by boiling point only
Show Answer

Answer: Joining monomers into polymers

Q266. For exam preparation, fuel industries focus mainly on:

  1. Production, processing and efficient use of energy sources
  2. Only book publishing
  3. Only garment stitching
  4. Only note making
Show Answer

Answer: Production, processing and efficient use of energy sources

Q267. For exam preparation, raw sugar from cane begins mainly with:

  1. Extraction of juice from cane
  2. Chrome tanning
  3. Petroleum cracking
  4. Dextrin conversion
Show Answer

Answer: Extraction of juice from cane

Q268. For exam preparation, clarification in sugar manufacture aims to remove:

  1. Suspended and non-sugar impurities
  2. All sucrose completely
  3. All water permanently
  4. All minerals into leather
Show Answer

Answer: Suspended and non-sugar impurities

Q269. For exam preparation, defecation in sugar processing commonly involves use of:

  1. Lime
  2. Chrome salt
  3. Vanadium catalyst
  4. Petrol
Show Answer

Answer: Lime

Q270. For exam preparation, carbonation in sugar refining involves treatment with:

  1. Carbon dioxide
  2. Hydrogen chloride
  3. Sulphur dioxide only
  4. Nitrogen gas only
Show Answer

Answer: Carbon dioxide

Q271. For exam preparation, sulphitation in sugar manufacture uses:

  1. Sulphur dioxide
  2. Ammonia
  3. Methane
  4. Oxygen-free nitrogen
Show Answer

Answer: Sulphur dioxide

Q272. For exam preparation, a major by-product of sugar industry is:

  1. Molasses
  2. Clinker
  3. Chrome leather
  4. Dextrin only
Show Answer

Answer: Molasses

Q273. For exam preparation, beet sugar is obtained mainly from:

  1. Sugar beet roots
  2. Leather hides
  3. Crude petroleum
  4. Wheat bran only
Show Answer

Answer: Sugar beet roots

Q274. For exam preparation, starch is a major storage carbohydrate in:

  1. Plants
  2. Leather only
  3. Petroleum only
  4. Cement clinker
Show Answer

Answer: Plants

Q275. For exam preparation, common starch sources include:

  1. Corn, rice, wheat, potatoes and tubers
  2. Crude oil and coal only
  3. Limestone and gypsum only
  4. Chrome salts only
Show Answer

Answer: Corn, rice, wheat, potatoes and tubers

Q276. For exam preparation, hydrolysis of starch produces mainly:

  1. Smaller sugars such as glucose
  2. Cement clinker
  3. Leather fibers
  4. Sulphur trioxide
Show Answer

Answer: Smaller sugars such as glucose

Q277. For exam preparation, dextrin is obtained by controlled conversion of:

  1. Starch
  2. Petroleum
  3. Cement
  4. Hide
Show Answer

Answer: Starch

Q278. For exam preparation, a common industrial use of starch is in:

  1. Textile sizing and adhesives
  2. Nuclear fuel enrichment only
  3. Cement hydration only
  4. Chrome plating only
Show Answer

Answer: Textile sizing and adhesives

Q279. For exam preparation, leather is produced by processing:

  1. Animal hides and skins
  2. Crude oil vapors
  3. Sugar juice
  4. Cement slurry
Show Answer

Answer: Animal hides and skins

Q280. For exam preparation, tanning converts hides into leather by:

  1. Stabilizing collagen fibers
  2. Crystallizing sucrose
  3. Oxidizing ammonia
  4. Distilling petroleum
Show Answer

Answer: Stabilizing collagen fibers

Q281. For exam preparation, vegetable tanning uses tannins from:

  1. Plant sources
  2. Chrome ore only
  3. Petroleum gas
  4. Nitric acid
Show Answer

Answer: Plant sources

Q282. For exam preparation, chrome tanning commonly uses salts of:

  1. Chromium
  2. Sodium chloride only
  3. Calcium carbonate only
  4. Glucose
Show Answer

Answer: Chromium

Q283. For exam preparation, gelatin is derived mainly from:

  1. Collagen
  2. Sucrose
  3. Petroleum fractions
  4. Sulphur ore
Show Answer

Answer: Collagen

Q284. For exam preparation, industrial adhesives may use products obtained from:

  1. Animal and plant materials
  2. Only cement kilns
  3. Only nitrogen oxides
  4. Only petrol pumps
Show Answer

Answer: Animal and plant materials

Q285. For exam preparation, preparation of hides before tanning includes:

  1. Cleaning, soaking and removal of unwanted material
  2. Fractional distillation
  3. Sugar crystallization
  4. Sulphuric acid contact absorption
Show Answer

Answer: Cleaning, soaking and removal of unwanted material

Q286. For exam preparation, a good industrial process should be:

  1. Economical, safe and efficient
  2. Uncontrolled and wasteful
  3. Only theoretical
  4. Impossible to monitor
Show Answer

Answer: Economical, safe and efficient

Q287. For exam preparation, quality control in chemical industry helps to:

  1. Maintain product standards
  2. Avoid safety completely
  3. Increase random impurities
  4. Stop documentation
Show Answer

Answer: Maintain product standards

Q288. For exam preparation, material balance is based on:

  1. Conservation of mass
  2. Destruction of atoms
  3. Color matching only
  4. Market demand only
Show Answer

Answer: Conservation of mass

Q289. For exam preparation, energy balance is important because it helps estimate:

  1. Heat requirements and losses
  2. Employee salaries only
  3. Logo design
  4. Grammar accuracy
Show Answer

Answer: Heat requirements and losses

Q290. For exam preparation, process safety mainly aims to reduce:

  1. Hazards, accidents and environmental risk
  2. Product quality
  3. Record keeping
  4. Training
Show Answer

Answer: Hazards, accidents and environmental risk

Q291. For exam preparation, in a flow sheet, arrows usually indicate:

  1. Direction of material flow
  2. Exam marks
  3. Book references
  4. Employee grade
Show Answer

Answer: Direction of material flow

Q292. For exam preparation, the role of raw material selection is to ensure:

  1. Availability, purity and economic suitability
  2. Only attractive packaging
  3. Only advertising
  4. Only office furniture
Show Answer

Answer: Availability, purity and economic suitability

Q293. For exam preparation, crystallization is used to separate substances based on:

  1. Solubility differences
  2. Font size
  3. Tanning color
  4. Fuel price
Show Answer

Answer: Solubility differences

Q294. For exam preparation, filtration separates solids from liquids by:

  1. Passing mixture through a porous medium
  2. Burning the mixture
  3. Adding glucose
  4. Using a flow sheet only
Show Answer

Answer: Passing mixture through a porous medium

Q295. For exam preparation, evaporation is used to:

  1. Remove solvent by heating
  2. Add hides to liquor
  3. Convert cane to leather
  4. Make nitrogen oxides
Show Answer

Answer: Remove solvent by heating

Q296. For exam preparation, distillation separates liquid mixtures based on:

  1. Boiling point differences
  2. Molecular color
  3. Book chapter number
  4. Packet size
Show Answer

Answer: Boiling point differences

Q297. For exam preparation, absorption involves transfer of a component into:

  1. A liquid absorbent
  2. A leather drum only
  3. A spreadsheet
  4. A cloth label
Show Answer

Answer: A liquid absorbent

Q298. For exam preparation, industrial waste management is necessary to protect:

  1. Environment and public health
  2. Only product label
  3. Only packaging color
  4. Only furniture
Show Answer

Answer: Environment and public health

Q299. For exam preparation, effluent treatment is related to:

  1. Treating liquid waste before discharge
  2. Printing books
  3. Exam scheduling
  4. Social media posting
Show Answer

Answer: Treating liquid waste before discharge

Q300. For exam preparation, the most suitable description of industrial chemistry is:

  1. Application of chemical principles to large-scale production
  2. Only classroom theory
  3. Only grammar writing
  4. Only manual filing
Show Answer

Answer: Application of chemical principles to large-scale production

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