题干

下列制备和收集气体的实验装置合理的是(   )

A:用氯化铵和氢氧化钙制NH 3  

B:用铜片和稀硝酸制NO

C:用锌粒和稀硫酸制H 2  

D:用双氧水和二氧化锰制O2

上一题 下一题 0.0难度 选择题 更新时间:2018-06-08 09:23:42

答案(点此获取答案解析)

D

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