【題組】試以氧化數法完成下列化學反應方程式：Al＋OH－＋H2O→Al(OH) -4＋H2。(2 分)

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3. 試以氧化數法完成下列化學反應方程式：Al＋OH－＋H2O→Al(OH) -4＋H2。(2 分)

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