下列化学方程式书写正确的是 A.Mg+02== MgOz      B.Cuz(OH)2C03===2CuO

下列化学方程式书写正确的是

AMg+02== MgOz      BCuz(OH)2C03===2CuO+H20+C02

    C.H202===H2 + 0      DC02+Ca(OH)2===CaC03 + H20

答案

D

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