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> 下列化学方程式中，不仅完全正确，而且又能表示一个分解反应的是 [ ] A．2HgO 2Hg+O 2↑ B．CO+CuO Cu+CO 2 C．2Fe+6HCl===2FeCl 2+3H 2↑ D．CuO+H 2 Cu+H 2O

问题：

发布时间：2024-09-11

下列化学方程式中，不仅完全正确，而且又能表示一个分解反应的是
[ ]
A．2HgO 2Hg+O ₂↑
B．CO+CuO Cu+CO ₂
C．2Fe+6HCl===2FeCl ₂+3H ₂↑
D．CuO+H ₂ Cu+H ₂O

参考答案：

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