CH-1755
Hydrogen fuel cells
Chemistry · Secondary 4 · Easy · Hydrogen fuel cells
In a hydrogen–oxygen fuel cell used in a car, hydrogen gas and oxygen gas are supplied continuously.
What is the main advantage of using this fuel cell instead of burning petrol in an engine?
What is the main advantage of using this fuel cell instead of burning petrol in an engine?
- It converts chemical energy directly to electrical energy with only water as a product.
- It produces more carbon dioxide than burning petrol.
- It requires no fuel once it is started.
- It stores more energy per mole than petrol does.
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