O-LevelChemistryElectrolysis5070/11 · Oct/Nov 2023 · Q131 Mark

Three statements about fuel cells are given. 1 A hydrogen-oxygen fuel cell requires a continuous input of fuel and oxygen. 2 In a hydrogen-oxygen fuel cell, hydrogen is burned in oxygen to produce electricity. 3 When a hydrogen-oxygen fuel cell is operating, water is the only chemical product. Which statements are correct?

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

C: 1 and 3 only

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 1, question 13.

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