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5.2 Chemical cells and fuel cells

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Question 28

An engineer compares two simple cells for a remote temperature sensor.

  • Cell X uses magnesium and copper electrodes.
  • Cell Y uses zinc and iron electrodes.

The metals are listed in order of decreasing reactivity:

magnesium, zinc, iron, copper

The same electrolyte and conditions are used for both cells.

Explain which cell is expected to produce the larger voltage.

[2]
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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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