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Macromolecules

5 Class 12 Chemistry questions with answers and explanations.

Printable worksheet with answer key

All questions with answers

  1. Polythene is made from:

    • 1 Methane
    • 2 Ethene
    • 3 Propane
    • 4 Ethanol
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    Correct answer: Ethene

    Many ethene molecules join by addition polymerisation.

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  2. Nylon is formed by:

    • 1 Cracking
    • 2 Condensation polymerisation
    • 3 Addition polymerisation
    • 4 Distillation
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    Correct answer: Condensation polymerisation

    Water is lost as the monomers join.

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  3. Natural rubber is a polymer of:

    • 1 Ethene
    • 2 Glucose
    • 3 Styrene
    • 4 Isoprene
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    Correct answer: Isoprene

    Natural rubber is polyisoprene.

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  4. Proteins are polymers of:

    • 1 Fatty acids
    • 2 Amino acids
    • 3 Nucleotides
    • 4 Sugars
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    Correct answer: Amino acids

    Peptide bonds join amino acids.

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  5. PVC is made from the monomer:

    • 1 Ethene
    • 2 Chloroethene
    • 3 Styrene
    • 4 Propene
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    Correct answer: Chloroethene

    Vinyl chloride, or chloroethene, forms PVC.

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More Chemistry topics
Periodic classification and periodicity
s and p block elements
Transition elements
Hydrocarbons
Alkyl halides
Alcohols and phenols
Aldehydes and ketones
Carboxylic acids