February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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11Electrochemical CellsMedium1 mark
Which row describes an advantage of using the hydrogen–oxygen fuel cell and an advantage of using the petrol engine?
advantage of using the hydrogen–oxygen fuel celladvantage of using the petrol engine
Acan travel a greater distance after the fuel tank has been filleddoes not produce carbon dioxide gas which causes global warming
Bthere are more petrol filling stations than hydrogen filling stationsno risk of fire or explosion if the fuel tank is damaged
Cdoes not produce carbon dioxide gas which causes global warmingcan travel a greater distance after the fuel tank has been filled
Dno risk of fire or explosion if the fuel tank is damagedthere are more petrol filling stations than hydrogen filling stations