O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2018 · Q391 Mark

Which statement about the composition of polymers is correct?

ANylon contains oxygen atoms but not nitrogen atoms.

BProteins contain both nitrogen atoms and oxygen atoms.

CTerylene contains nitrogen atoms.

DThe polymer used to make clingfilm contains oxygen atoms.

✓ Correct answer

B: Proteins contain both nitrogen atoms and oxygen atoms.

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 1, question 39.

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