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10.3 Using materials

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Question 32

A steel gear is kept in a sealed storage cabinet. The cabinet contains oxygen but no water vapour.

Which fault in the cabinet would result in the gear rusting?

[1]
A

Allowing nitrogen to enter

B

Increasing the oxygen concentration

C

Allowing water vapour to enter

D

Allowing carbon dioxide to enter

Markscheme

10.3 Using materials Questions

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

118 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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