Storage and Fuel Cells (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which cell type can operate continuously as long as fuel and oxygen are supplied?
Which cell type can operate continuously as long as fuel and oxygen are supplied?
Fuel cells
What are primary cells particularly useful for?
What are primary cells particularly useful for?
Low-current, long-storage uses
What is the cell voltage of an alkaline primary cell using and ?
What is the cell voltage of an alkaline primary cell using and ?
1.43 V
What key feature allows secondary cells to be rechargeable?
What key feature allows secondary cells to be rechargeable?
Chemical reaction can be reversed
Why do lithium-ion cells have very high energy density?
Why do lithium-ion cells have very high energy density?
Lithium is a light metal
What is the voltage of a fully charged lithium-ion cell?
What is the voltage of a fully charged lithium-ion cell?
4.2 V
What moves between electrodes in a lithium-ion cell during operation?
What moves between electrodes in a lithium-ion cell during operation?
ions
What is the only combustion product of hydrogen fuel cells?
What is the only combustion product of hydrogen fuel cells?
Water
What voltage do both alkali and acid hydrogen fuel cells produce?
What voltage do both alkali and acid hydrogen fuel cells produce?
1.23 V
If and , what is ?
If and , what is ?
1.43 V