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检查煤气管道是否漏气,常用的方法是加入少量哪种物质?( )
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检查煤气管道是否漏气,常用的方法是加入少量哪种物质?( )
A、甲醛
B、低级硫醇
C、乙醛
D、甲醇
时间:2021-09-02 00:02
关键词:
联大
河南理工大学
有机化学
答案解析
B
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检查煤气管道是否漏气,常用的方法是加入少量哪种物质?( )
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