O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2018 · Q391 Mark

Poly(lactic) acid is a polymer used to make biodegradable cups. The partial structure of poly(lactic) acid is shown. Which statements apply to poly(lactic) acid? 1 It is made by addition polymerisation. 2 It is made by condensation polymerisation. 3 It is a polyester. 4 The monomer used to make it is ethene.

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A1 and 3

B1 and 4

C2 and 3

D2 and 4

✓ Correct answer

C: 2 and 3

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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 2, question 39.

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