Question

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Answer 1

£¨1£©H₂  ¸º¼« 

£¨2£©2H⁺ + 2e^- = H₂¡ü 

£¨3£©4OH^- - 4e^- = O₂¡ü+2H₂O 

(4)H₂+2OH^- -2e^- = 2H₂O

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