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6.1 Transition metals, alloys and corrosion

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Question 14
H

Why does galvanising combine barrier and sacrificial protection?

[1]
A

Zinc blocks air and water and makes the iron less reactive

B

Zinc blocks air and water and is more reactive than iron

C

Zinc blocks air and water but is less reactive than iron

D

Zinc forms an alloy with the iron that cannot rust

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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