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Question 14

Suggest two materials other than hydrogen that can be used as fuels in fuel cells.

Answer

Fuel cells are voltaic cells in which the reactants are continuously supplied to the electrodes.They converts the    energy from the combustion of  fuels like hydrogen, CO, Methane directly into electrical energy.Methane, oxygen, carbon monoxide & methanol can be used as fuels in fuel cells.

= 9[ka2]

Hence, the rate of formation will increase by 9 times.

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