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kenapa anod / kuprum x tulen sentiasa MENIPIS? - kerana kuprum tak tulen akan melarut untuk membentuk ion kuprum
KATOD sentiasa MENEBAL. // kuprum tulen menebal. kenapa? - kerana ion kuprum (yg dtg drpd anod td tu..) menerima elektron membentuk atom kuprum dan terenap pada kuprum tulen.
