下列氧化还原反应中,水作为氧化剂的是 A.CO+H2OCO2+H2       

下列氧化还原反应中,水作为氧化剂的是

A.CO+H2OCO2+H2           B.3NO2+H2O=2HNO3+NO

C.2Na2O2+2H2O=4NaOH+O2↑     D.2F2+2H2O=4HF+O2

答案

A

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