Free Industrial Chemistry MCQs with Answers

292 Industrial Chemistry MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.

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292 questions · page 9 of 15

  • A. Destructive distillation
  • B. Fractional distillation
  • C. Vacuum distillation
  • D. Distillation

Explanation: Crude oil is separated by fractional distillation. Crude oil is heated to vaporize the different hydrocarbons in a tank that is cool at…

Correct answer: Fractional distillation
  • A. Chlorine
  • B. Iron
  • C. Magnesium
  • D. Calcium

Explanation: Haber's process is used to produce ammonia from nitrogen and hydrogen gas at 400 - 450 degrees celsius, 200 atm pressure and in the…

Correct answer: Iron
  • A. Acetyl chloride
  • B. Alkene
  • C. Alkyne
  • D. Acetic acid

Explanation: Option A: Acetyl chloride (CH3COCl) is a reactive chemical compound that is commonly used as an acetylating agent in organic synthesis.

Correct answer: Acetic acid
  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Explanation: Polystyrene is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. Its formula is (C8H8)n.

Correct answer: Option A
  • A. Polyamide
  • B. Polystyrene
  • C. Polyvinyl acetate
  • D. Polyvinyl chloride

Explanation: Copolymer is a polymer derived from more than one species of monomer.polyamide is the only one that is a copolymer.

Correct answer: Polyamide
  • A. Metals
  • B. Grass
  • C. Paper
  • D. Plastic

Explanation: Burning plastic waste releases a high amount of energy, making it useful as an industrial fuel or for electricity generation, whereas…

Correct answer: Plastic
  • A. Polypeptide
  • B. Addition polymer
  • C. Ester
  • D. Nylon 6,6

Explanation: Nylon-6,6 is made by polymerising hexanedioic acid and hexamethylene diamine (adipic acid).

Correct answer: Nylon 6,6
  • A. Polyvinyl Chloride
  • B. Polystyrene
  • C. Polyethene
  • D. Polyamide

Explanation: Condensation polymerization is a form of step-growth polymerization.Linear polymers are produced from bifunctional monomers, i.e.

Correct answer: Polyamide
  • A. Sucrose
  • B. Maltose
  • C. Fructose
  • D. Lactose

Explanation: Lactose is the primary disaccharide in virtually all mammalian milks. It is unique among the major dietary sugars because of the B-1-4…

Correct answer: Lactose
  • A. Polyester
  • B. Polyvinyl chloride
  • C. Polyamide
  • D. Polyvinyl acetate

Explanation: Nylon is a type of polyamide fiber; it is named polyamide due to the amide groups.

Correct answer: Polyamide
  • A. HNO3
  • B. HCL
  • C. Soda ash Na2CO3
  • D. H2SO3
  • E. CaCO2

Explanation: The correct answer is option (c): Soda Ash (Na2CO3).The Solvay process is an industrial method for the production of sodium carbonate…

Correct answer: Soda ash Na2CO3

172. Rayon is _?

  • A. Acetyl chloride
  • B. Alkene
  • C. Alkyne
  • D. Acetic acid

Explanation: Option A: Acetyl chloride (CH3COCl) is a reactive chemical compound that is commonly used as an acetylating agent in organic synthesis.

Correct answer: Acetic acid
  • A. Heavy lead
  • B. Magnesium oxide
  • C. Zine oxide
  • D. Sodium sulphate

Explanation: The electric cookers have coating that protects them against fire. The coating is made up of MgO.

Correct answer: Magnesium oxide
  • A. Trimethylcerylammonium bromide
  • B. Sodium lauryl sulphonate
  • C. Pentaerythritolmonostearate
  • D. Sodium cetylsulphate

Explanation: Pentaerythritolmonostearate(C23H46O5) is non-ionic detergent. Ammonium ion in trimethylcerylammonium bromide,sodium ion in sodium lauryl…

Correct answer: Pentaerythritolmonostearate
  • A. Nylon-6,8
  • B. Dacron
  • C. Teflon
  • D. Bylor-6,6

Explanation: The condensation polymerization of adipic acid with dimethyl terephthalate produces polyethylene terephthalate, commonly known as Dacron.

Correct answer: Dacron
  • A. Nylon-6,6
  • B. Bakelite
  • C. Nylon-6,8
  • D. Terylene

Explanation: The reaction between adipic acid and hexamethylenediamine results in the formation of Nylon-6,6, a type of polyamide.

Correct answer: Nylon-6,6
  • A. PVC
  • B. Terlyene
  • C. Nylon
  • D. Teflon

Explanation: Nylon is the correct answer because it is a polyamide polymer that contains nitrogen in its repeating units, specifically in the amide…

Correct answer: Nylon
  • A. Nylon 6,6
  • B. Teflon
  • C. Polypropylene
  • D. Orlon

Explanation: The correct answer is Nylon 6,6. It is a condensation polymer, which means it is formed through a reaction where two different monomers…

Correct answer: Nylon 6,6
  • A. PVC
  • B. Teflon
  • C. Nylon
  • D. Polypropylene

Explanation: Nylon is the correct answer because it is a polyamide polymer that contains nitrogen atoms in its amide groups, which form the backbone of…

Correct answer: Nylon