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10.3 Using materials

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Question 13

A conservator reads four reports about metal objects that have been kept in damp air.

Which one of these reports gives evidence that rusting has occurred?

[1]
A

Brass has corroded at its surface.

B

Aluminium has formed its natural oxide layer.

C

Hydrated iron(III) oxide has formed.

D

Zinc has corroded at its surface.

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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