Chemistry 5070 · 4 Electrochemistry
4.2 Hydrogen–oxygen fuel cells
Describe how hydrogen-oxygen fuel cells produce electricity and water, and evaluate their advantages and disadvantages compared to gasoline engines.
- Questions
- 11
- Years
- 2007–2026
- Multiple choice
- 5
- Written answer
- 6
- Average marks
- 5.2
Practise electrochemistry questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 2variants 02, 21, 226
- Paper 1variants 11, 125
Questions by year
| Year | May/June | Oct/Nov | Total |
|---|---|---|---|
| 2026 | 3 | – | 3 |
| 2023 | 1 | 2 | 3 |
| 2021 | 1 | – | 1 |
| 2020 | 1 | 2 | 3 |
| 2007 | – | 1 | 1 |
