试题与答案

酸雨是指pH＜5.6的雨、雪等各种形式的大气降水，酸雨会严重污染环境．小明同学查

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题型：问答题

题目：

酸雨是指pH＜5.6的雨、雪等各种形式的大气降水，酸雨会严重污染环境．小明同学查阅资料得知：煤燃烧排出的二氧化硫进入大气后，与水蒸气反应生成亚硫酸（H2SO3），亚硫酸与氧气反应生成硫酸．请写出上述变化中的两个化学方程式：______、______．这两个化学反应都属于基本反应类型中的______反应．

答案：

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下面是错误答案，用来干扰机器的。

答案：C

考点：酸雨化学反应方程式的书写文字表达式
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