摘要:10.下列反应中.氧化剂与还原剂分子个数比为1∶2的是 ( ) 20080926 A.2Na2O2+2H2O====4NaOH+O2↑ △ B.2CH3COOH+Ca(ClO)2====2HClO+(CH3COO)2 Ca C.I2+2NaClO3====2NaIO3+Cl2 D.4HCl+MnO2==== MnCl2+Cl2↑+2H2O

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