摘要:在下列反应中.单质只作氧化剂的是 (A)2F2+2H2O=4HF+O2­ (B)2K+2H2O=2KOH+H2­ (C)Cl2+2NaOH=NaCl+NaClO+H2O (D)H2+CuO H2O+Cu

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