Suggest4 marksStandard
Chloroethene, , is used to make the addition polymer poly(chloroethene), commonly known as PVC.
(a) State the repeat unit of PVC.
(b) Suggest one reason why PVC is difficult to dispose of in landfill sites.
CAIE A Level Chemistry 9701 · Polymerisation
Polymerisation: suggest question
How this question is marked
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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