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Fuel Cells (GCSE Chemistry)
The following is a GCSE Chemistry test covering 'Fuel Cells' from the broader topic Energy Changes. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Question 1
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What is the primary function of a hydrogen fuel cell?
How does raising the temperature generally affect the performance of a solid oxide fuel cell (SOFC)?
How does the efficiency of a well-operated fuel cell system typically compare to that of internal combustion engines for converting fuel energy to useful electrical energy?
How can carbon monoxide (CO) in hydrogen fuel be reduced to avoid poisoning fuel cell catalysts?
Which fuel cell type is most commonly used in vehicles and small-scale applications due to its low operating temperature and fast start-up?
What is a common material used as a catalyst in many PEM fuel cells?
At the anode of a proton exchange membrane (PEM) fuel cell, which half-reaction occurs?
What role does the catalyst play at the fuel cell electrodes?
What is one reason that fuel cell systems often include a battery or supercapacitor in vehicles?
Which statement is true about the energy change when hydrogen reacts with oxygen in a fuel cell?
Why is platinum used as a catalyst despite its high cost?
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