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6.1 Transition metals, alloys and corrosion

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Question 9
H

Iron nails are connected separately to magnesium and copper. Which connection protects iron most effectively?

[1]
A

Copper, because it is less reactive than iron

B

Copper, because it forms a protective oxide layer

C

Magnesium, because it is oxidised instead of the iron

D

Magnesium, because it is less reactive than iron

Markscheme

6.1 Transition metals, alloys and corrosion Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Transition metals, alloys and corrosion

42 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.

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