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        (1)��늈��,ꖘO�a(ch��n)��γ�“΢��”——�F��X�Ě��;

        (2)ˮ�БҸ��w��z�w��Ⱦ��ʧȥ��(w��n)��;

        (3)Ó��(w��n)��Ⱦ��w��΢��֮�g�໥��ײ,�Y(ji��)�ϳ��ۿ�Ҋ�Ĵ��w,��

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        (1)�O�了��,ռ��e��,�O��S�o��;

        (2)��^��в��Ҫ��κλ��Wˎ��,�a(ch��n)��,��ĺ�ˮ�ʵ�,��̎��;

        (3)��,ֻ��Ҫ��׃늈��늉��ܿ��\�Зl��ĸ�׃,��׌��F(xi��n)�Ԅӻ��;

        ��г��õ�늘O��Ϟ��X��F,��ꖘO��ꎘO֮�gͨ��ֱ��,�l(f��)��늘O��:

        �XꖘO   Al-3e→Al³⁺ (1)

        �ډA�ԗl��   Al³⁺+3OH^-→Al(OH)₃ (2)

        ��ԗl��   Al³⁺ +3H₂O→Al(OH)₃+3H⁺ (3)

                                    Fe-2e→Fe²⁺    (4)

        �ډA�ԗl��Fe²⁺+2OH^-→Fe(OH)₂(5)

        ��ԗl��4Fe²⁺+O₂+2H₂O→4Fe3⁺+4OH^- (6)

        ��,ˮ��늽�߀��ų�2H₂O-4e→O₂+4H⁺    (7)

        ��ꎘO�l(f��)��·��2H₂O+2e→H₂+2OH^-   (8)

        ��̎��^��о��ж๦��,��֮��߀��늻��W��߀ԭ��늚⸡��,��ȥ��ˮ��Ⱦ��^��Ҋ�D1,��

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