试题与答案

下表中a、b、c表示相应仪器中加入的试剂,可用右图装置制取、净化、收集的气体是

题型:选择题

题目:

下表中a、b、c表示相应仪器中加入的试剂,可用右图装置制取、净化、收集的气体是

编号气体abc
ANH3浓氨水生石灰碱石灰
BCO2盐酸碳酸钙饱和NaHCO3
CNO稀HNO3铜屑H2O
DNO2浓HNO3铜屑NaOH溶液

答案:

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1. are many people            2. people are

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