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5.2 Chemical cells and fuel cells

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Question 24

A technician tests four unlabelled metal strips, A, B, C and D. The strips are made from two different metals.

All the equipment works correctly. Each test uses the same electrolyte and is carried out under the same conditions.

Electrode strips usedVoltage
A and B0.46 V
A and C0.00 V
B and D0.00 V

What voltage would be measured if strips C and D were used as the electrodes? Explain your answer.

[3]
Markscheme

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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