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(a) What are fuel cells ? Explain the el...

(a) What are fuel cells ? Explain the electrode reactions involved in the working of `H_(2)-O_(2)` fuel cell.
(b) Represent the galvanic cell in which the reaction
`Zn(s) + Cu^(2)(aq) to Zn^(2+) (aq) + Cu(s)` takes place.

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XII BOARDS PREVIOUS YEAR-XII BOARDS-IMPORTANT QUESTIONS FOR PRACTICE CHEMISTRY (THEORY-XII) UNSOLVED)
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