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Define the following terms : (i) Fuel ...

Define the following terms :
(i) Fuel cell ,
(ii)Limiting molar conductivity

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(i) A device in which the heat produced as a combustion of a fuel like `H_(2)` in the presence of `O_(2)` is converted in to electricity is called fuel cell
(ii) when concentratio approaches zero molar conductivity reaches to limiting value
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