A.H₂O₂+Ba(OH)₂====BaO₂+2H₂O                 B.H₂O₂+SO₂====H₂SO₄

C.2H₂O₂2H₂O+O₂↑                         D.Ag₂O+H₂O₂====2Ag+O₂↑+2H₂O

A．Na₂O+H₂O2NaOH

B．Mg₃N₂+6H₂O3Mg(OH)₂↓+2NH₃↑

C．CaC₂+2H₂O→Ca(OH)₂+CH≡CH↑

D．NH₄Cl+NaOHNaCl+NH₃↑+H₂O

在下列化学反应中，既有离子键、极性键、非极性键断裂，又有离子键、极性键、非极性键形成的是            

A．Cl₂+H₂O=HCl+HClO                      B．2Na₂O₂+2CO₂=2Na₂CO₃+O₂

C．Mg₃N₂+6H₂O=3Mg(OH)₂↓+2NH₃↑          D．NaOH+HNO₃=NaNO₃+H₂O