将NH4HCO3固体在试管中加热，使放出的气体依次通过足量的过氧化钠、盐酸溶液、浓硫酸后，最后得到的气体是_刷题宝

题干

将NH₄HCO₃固体在试管中加热，使放出的气体依次通过足量的过氧化钠、盐酸溶液、浓硫酸后，最后得到的气体是　　　（　）

A：NH₃

B：CO₂

C：H₂O(气)

D：O₂

上一题下一题 0.0难度选择题更新时间:2010-10-16 08:54:36

答案(点此获取答案解析）

D

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