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5.2 Chemical cells and fuel cells

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Question 34
H76%

A student makes a cell using two iron electrodes in a solution of sodium chloride. Which voltage will the student measure, and why?

[1]
A

0.34 V0.34\ \text{V}0.34 V, because iron is more reactive than sodium is

B

0.76 V0.76\ \text{V}0.76 V, because iron is less reactive than sodium is

C

0.00 V0.00\ \text{V}0.00 V, because both of the electrodes are the same metal

D

1.10 V1.10\ \text{V}1.10 V, because the electrolyte contains chloride ions

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5.2 Chemical cells and fuel cells Questions

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

90 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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