Chemistry · May / June 2026 · Paper 11 · Question 13

Three statements about hydrogen–oxygen fuel cells are listed. 1 They produce less carbon dioxide than petrol engines. 2 They produce hydrogen and oxygen as the only chemical products. 3 They are used to generate electricity. Which statements are correct?

1. A1, 2 and 3
2. B1 and 2 only
3. C1 and 3 only
4. D2 and 3 only

As printed in the paper