CAIE IGCSE Chemistry 4.2.1 Hydrogen Oxygen Fuel Cell Uses Questions
Explain how hydrogen fuel cells generate electricity and why water is their only waste product.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- identify hydrogen and oxygen as fuel-cell reactants
- write the balanced overall fuel-cell equation
- explain electrical energy generation in a hydrogen fuel cell
- identify water as the only product of a hydrogen fuel cell
- compare fuel-cell emissions with combustion pollutants
- recognise fuel-cell applications such as vehicles and rockets
CAIE IGCSE Chemistry 4.2.1 Hydrogen Oxygen Fuel Cell Uses Questions question 1
[Maximum number: 1]
Hydrogen is used as a fuel in rockets and is also used in hydrogen fuel cells.
Which statements are correct?
1 Both uses produce water vapour.
2 Burning hydrogen produces polluting gases.
3 A fuel cell produces electricity.
A
1, 2 and 3
B
1 and 3 only
C
1 only
D
2 and 3 only
B
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