下列应用及相应的原理（用化学方程式表示）的是_刷题宝

题干

下列应用及相应的原理（用化学方程式表示）的是（　　）

A：实验室用氢气还原氧化铜：H₂+CuOCu+H₂O

B：液化石油气用作燃料：2CO+O₂2CO₂

C：家装催化装置将汽车尾气中的有害气体转化为参与大气循环的气体：2CO+2NO2CO₂+N₂

D：用氢氧化钠溶液处理尾气中的二氧化硫：SO₂+2NaOH═Na₂SO₃+H₂O

上一题下一题 0.0难度选择题更新时间:2016-03-15 01:53:45

答案(点此获取答案解析）

B

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