Fuel Cells (OCR GCSE Chemistry A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What must fuel cells be continuously supplied with to produce electricity?
What must fuel cells be continuously supplied with to produce electricity?
Fuel and an oxidising agent
How do fuel cells differ from traditional batteries?
How do fuel cells differ from traditional batteries?
They need external fuel supply
What is the overall chemical equation for a hydrogen-oxygen fuel cell?
What is the overall chemical equation for a hydrogen-oxygen fuel cell?
What is the only by-product of a hydrogen-oxygen fuel cell?
What is the only by-product of a hydrogen-oxygen fuel cell?
Water
What happens to hydrogen gas at the anode?
What happens to hydrogen gas at the anode?
It is oxidised, losing electrons
What is the half-equation for the anode reaction in a hydrogen-oxygen fuel cell?
What is the half-equation for the anode reaction in a hydrogen-oxygen fuel cell?
What do the electrons released at the anode do?
What do the electrons released at the anode do?
Travel through external circuit
What happens to oxygen at the cathode?
What happens to oxygen at the cathode?
Gains electrons and reacts with
Why are hydrogen-oxygen fuel cells considered environmentally friendly?
Why are hydrogen-oxygen fuel cells considered environmentally friendly?
Only by-product is water
What is a major challenge with hydrogen as a fuel?
What is a major challenge with hydrogen as a fuel?
Highly flammable and needs careful storage
Why is infrastructure for hydrogen fuel cells challenging?
Why is infrastructure for hydrogen fuel cells challenging?
Expensive and complex to develop
Where have hydrogen-oxygen fuel cells been successfully used?
Where have hydrogen-oxygen fuel cells been successfully used?
Spacecraft like the Space Shuttle