选择题&nbs p; 下列装置中间的试管收集浓硝酸和铜线反应所生成的气体,何者可使收到的气体中空气的含量最少
[???? ]
A
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B
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C
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D
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选择题 下列装置中间的试管收集浓硝酸和铜线反应所生 成的气体,何者可使收到的气体中空气的含量最少
[???? ]
A
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B
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C
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D
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本题答案:C
本题解析:
本题所属考点:【气体的净化、干燥、吸收与收集】
本题难易程度:【简单】
If the tiller is industrious, the farmland is productive. 人勤地不懒.