用如图所示的方法研究某气体的性质,这种方法属于A.实验法    

用如图所示的方法研究某气体的性质,这种方法属于

A.实验法        B.观察法     C.分类法            D.比较法

 

答案

A

解析:用手轻轻扇动闻气体的气味,是一种实验的方法。

 

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