DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ1.e

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.sl.TZ1.e
Level sl Paper 3 Time zone TZ1
Command term Suggest Question number e Adapted from N/A
e.
[Maximum mark: 1]
18M.3.sl.TZ1.e

Both HDPE (high density polyethene) and LDPE (low density polyethene) are produced by the polymerization of ethene.

Suggest why there are so many different ways in which plastics can be classified. HDPE can, for example, be categorized thermoplastic, an addition polymer, having Resin Identification Code (RIC) 2, etc.

[1]

Markscheme

«different classifications are appropriate for» different properties/applications/purposes

[1 mark]

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