Fuel cells (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How do fuel cells differ from traditional batteries?
How do fuel cells differ from traditional batteries?
Fuel cells need external fuel supply
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 is the overall equation for a hydrogen-oxygen fuel cell?
What is the overall equation for a hydrogen-oxygen fuel cell?
What happens to hydrogen at the anode?
What happens to hydrogen at the anode?
It is oxidised, losing electrons
What is the half-equation at the anode?
What is the half-equation at the anode?
What happens at the cathode?
What happens at the cathode?
Oxygen gains electrons and forms water
In which direction do electrons flow through the external circuit?
In which direction do electrons flow through the external circuit?
From anode to cathode
Why are hydrogen-oxygen fuel cells considered environmentally friendly?
Why are hydrogen-oxygen fuel cells considered environmentally friendly?
Their only by-product is water
What is a major challenge with hydrogen storage?
What is a major challenge with hydrogen storage?
Hydrogen is highly flammable
What infrastructure challenge exists for hydrogen fuel cells?
What infrastructure challenge exists for hydrogen fuel cells?
Production and distribution is expensive
Where have hydrogen-oxygen fuel cells been successfully used?
Where have hydrogen-oxygen fuel cells been successfully used?
In spacecraft like the Space Shuttle
Why is there interest in fuel cells for electric vehicles?
Why is there interest in fuel cells for electric vehicles?
Efficiency and low environmental impact