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10.3 Using materials

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Question 16
F

Rings are rarely made from 24 carat gold. Suggest why not.

[1]
A

Pure gold reacts quickly with the oxygen in the air and tarnishes

B

Pure gold has a melting point that is too low to be shaped safely

C

Pure gold has a density that makes a ring uncomfortable to wear

D

Pure gold is too soft, so a ring made from it is easily damaged

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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