Chemistry · Oct / Nov 2024 · Paper 11 · Question 12
5070Hydrogen–oxygen fuel cells
Which row describes one advantage and one disadvantage of using a hydrogen-oxygen fuel cell to power a road vehicle?
- Aadvantage: The fuel cell obtains the oxygen from the air.; disadvantage: The hydrogen has to be stored in a very strong tank.
- Badvantage: The fuel cell obtains the oxygen from the air.; disadvantage: The only chemical product causes acid rain.
- Cadvantage: The fuel cell obtains the oxygen from water.; disadvantage: The hydrogen has to be stored in a very strong tank.
- Dadvantage: The fuel cell obtains the oxygen from water.; disadvantage: The only chemical product causes acid rain.
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Correct answer: A. advantage: The fuel cell obtains the oxygen from the air.; disadvantage: The hydrogen has to be stored in a very strong tank.
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