Hydrogen–oxygen fuel cells past paper questions

O Level Chemistry 5070 · Electrochemistry. 1 State that a hydrogen–oxygen fuel cell uses hydrogen and oxygen to produce electricity with water as the only chemical product 2 Describe the advantages and disadvantages of using hydrogen–oxygen fuel cells in comparison with gasoline / petrol engines in vehicles 5 Chemical energetics

In Cambridge O Level Chemistry 5070, Hydrogen–oxygen fuel cells came up in 13 of the 72 papers on Paperstreak, for about 1 marks a paper when it does. It last came up in October/November 2025.

Often set with Electrolysis, Exothermic and endothermic reactions.

13 questions, newest first

5070/11/O/N/25 Question 13 · 1 mark
5070/12/M/J/25 Question 14 · 1 mark
5070/21/M/J/25 Question 2 parts (d(i)) (d(ii)) · 2 marks
5070/11/O/N/24 Question 12 · 1 mark
5070/12/O/N/24 Question 14 · 1 mark
5070/12/M/J/24 Question 13 · 1 mark
5070/11/O/N/23 Question 13 · 1 mark
5070/22/O/N/23 Question 6 part (c) · 2 marks
5070/12/M/J/23 Question 13 · 1 mark
5070/11/M/J/21 Question 16 · 1 mark
5070/22/M/J/21 Question 5 part (d) · 1 mark
5070/22/O/N/20 Question 4 part (e(ii)) · 2 marks
5070/22/M/J/20 Question 2 parts (c(i)) (c(ii)) · 3 marks