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题文

下列反应中,属于有水参加的氧化还原反应,且水只作氧化剂的是(   )

A.SO2+H2O====H2SO3
B.Cl2+H2O====HCl+HClO
C.2H2O2H2↑+O2
D.3Fe+4H2O(g)Fe3O4+4H2
科目 化学   题型 选择题   难度 较易
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