水作为还原剂的反应是                                  (    )

    A. 2Na+2H₂O==2NaOH+H₂↑       B. SO₃+H₂O==H₂SO₄

C. 2F₂+2H₂O=4HF+O₂             D. 2H₂+O₂2H₂O

水作为还原剂的反应是                                 (    )

    A. 2Na+2H₂O==2NaOH+H₂↑      B. SO₃+H₂O==H₂SO₄

C. 2F₂+2H₂O=4HF+O₂             D. 2H₂+O₂2H₂O

A.2F₂+2H₂O====4HF+O₂

B.SO₃+H₂====OH₂SO₄

C.2Na+2H₂O====2NaOH+H₂↑

D.2H₂+O₂2H₂O

水作为还原剂的反应是                                  (    )

A．2Na+2H2O==2NaOH+H2↑	B．SO3+H2O==H2SO4
C．2F2+2H2O=4HF+O2	D．2H2+O22H2O