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5.2 Chemical cells and fuel cells

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Question 30
H

In a hydrogen fuel cell, oxygen is reduced. Which statement identifies where the oxygen is reduced, together with a correct reason?

[1]
A

At the negative electrode, because the oxygen molecules lose electrons

B

At the negative electrode, because the oxygen molecules gain electrons

C

At the positive electrode, because the oxygen molecules gain electrons

D

At the positive electrode, because the oxygen molecules lose electrons

Markscheme

5.2 Chemical cells and fuel cells Questions

  1. GCSE
  2. /Chemistry
  3. /5.2 Chemical cells and fuel cells

40 exam-style questions on AQA GCSE Chemistry 5.2 Chemical cells and fuel cells, covering 5.2.1 Cells and batteries, 5.2.2a Fuel cells, and 5.2.2b Half equations for hydrogen fuel cells. Each one has a worked solution and a mark scheme showing where the marks go.

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