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What is a fuel cell ? Write its one adva...

What is a fuel cell ? Write its one advantage over other ordinary cells.

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Knowledge Check

  • A fuel cell is

    A
    the voltaic cells in which discontinuous supply of fuels are send at anode to give oxidation
    B
    the voltaic cell in which fuels such as : `CH_(4) , H_(2) , CO` are used up at anode
    C
    it involves the reactions of `H_(2) - O_(2)` fuel cell such as
    Cathode : `2 H_(2) + 4OH^(-) to 4 H_(2) O(l) + 4e`
    Anode : `O_(2) + 2 H_(2)O (l) + 4e to 4 OH^(-)`
    D
    the efficiency of a `H_(2) - O_(2)` fuel cell is very low

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