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10.3 Using materials

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Question 10
H

The figure shows the structures of two polymers, P and Q.

Figure: The structures of two polymers, P and Q, drawn as chain diagrams

image

a.

Which polymer, P or Q, is thermosetting?

Give a reason for your answer.

[2]
b.

Explain, in terms of its structure, why polymer P melts when it is heated.

[2]
c.

Explain why polymer Q does not melt when it is heated.

[2]
Markscheme

10.3 Using materials Questions

  1. GCSE
  2. /Chemistry
  3. /10.3 Using materials

40 exam-style questions on AQA GCSE Chemistry 10.3 Using materials, covering 10.3.1 Corrosion and its prevention, 10.3.2 Alloys as useful materials, and 10.3.3 Ceramics, polymers and composites. Each one has a worked solution and a mark scheme showing where the marks go.

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