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10.3 Using materials

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Question 8
F

Two steel objects are left outdoors. One is coated with tin and one is coated with zinc. Both coatings are scratched so that steel is exposed. What happens?

[1]
A

Neither object rusts, because both coatings are barriers to water

B

Both objects rust at the same rate because the steel is exposed

C

The tin coated object rusts but the zinc coated object does not

D

The zinc coated object rusts but the tin coated object does not

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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