Quiz  /  Polymers Class 11 MCQ Questions With Answers

  • 1. 
    Which one of the plastics listed is an example of a polyester?

  • Nylon
  • Protein
  • Polythene
  • Polychloroethene (Polyvinyl chloride or PVC)

  • 2. 
    A section of a polyester is shown in the diagram. Which two molecules (monomers) could be reacted to form this polymer?

  • Dicarboxylic acid
  • Dialcohol
  • Diamine
  • Both A & B

  • 3. 
    Which general term is used to describe the individual molecules that combine to make plastics?

  • Monomer
  • Polymer
  • Molecule
  • Hydrocarbon

  • 4. 
    Which two molecules (monomers) could be reacted to make a polyamide?

  • HOOCH -COOH
  • H₂N-C ΗΝ
  • HO OH Н Н
  • Both A & B

  • 5. 
    Which two of the following are terms used to describe plastics?

  • Polymers
  • Macromolecules
  • Oils
  • Both A & B

  • 6. 
    The birefringence effect that occurs when a polymer is viewed between two polarizing filters represents the _________________ regions of the polymer.

  • Crystalline
  • Amorphous
  • Cross-Linked
  • Branched

  • 7. 
    Polyamides are made from two monomers. Which two functional groups must the monomers have?

  • Amine
  • Carboxylic acid
  • Alcohol
  • Both A & B

  • 8. 
    Which of the following is a type of natural polymer?

  • Sodium Alginate
  • poly vinyl acetate
  • polystyrene
  • polytetrafluoroethylene

  • 9. 
    Which general structure is the best example of a section of a condensation polymer? Each letter represents a different monomer.

  • -A-A-A-A-A-A-
  • -A-B-A-B-A-B-A-B-
  • -B-B-B-B-B-B-
  • -A-B-C-A-B-C-A-B-C-

  • 10. 
    Polyamides and polyesters are examples of which kind of polymers?

  • Condensation
  • Addition
  • Substitution
  • Elimination

  • 11. 
    Which one of the following is the source of the molecules used to make synthetic plastics?

  • Natural gas
  • Crude oil or petroleum
  • Coal
  • Mineral ores

  • 12. 
    Which process is used to separate the molecules in crude oil?

  • Filtration
  • Recrystallisation
  • Simple distillation
  • Fractional distillation

  • 13. 
    Which of the following would be a suitable use for nylon?

  • Making ropes
  • Making water pipes
  • Making packing foam
  • Making vinyl records

  • 14. 
    Sodium alginate is

  • synthesized in the lab by heating salt in the presence of hydrophobic molecules.
  • a natural polymer obtained from kelp and seaweed
  • used as a synthetic replacement for salt.
  • not a polymer.

  • 15. 
    Which general formula represents a member of the alkene homologous series?

  • CnH2n
  • CnH2n+2
  • CnH2n-2
  • CnH2n+1OH

  • 16. 
    Which general structure is the best example of a section of an addition polymer? Each letter represents a different monomer.

  • -A-A-A-A-A-A-
  • -A-B-A-B-A-B-A-B-
  • -B-C-B-C-B-C-
  • -A-B-C-A-B-C-A-B-C-

  • 17. 
    What is the name given to the polymer formed from the unsaturated hydrocarbon monomer shown?

  • Polythene
  • Polypropene
  • Polychloroethene (Polyvinyl chloride)
  • Nylon

  • 18. 
    One explanation for Teflon's low coefficient of friction, hydrophobic and biologically inert properties is.

  • The electronegativity of Fluorine
  • The thin, smooth surface is impossible for another molecule to create a cross-link
  • The IMF of the individual monomers in the structure make it difficult for other molecules to bond.
  • The highly branched and cross-linked nature of the polymer doesn't create any areas of adhesion for other molecules.
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