正确的化学实验操作对实验结果、人身安全非常重要。下图中的实验

正确的化学实验操作对实验结果、人身安全非常重要。下图中的实验操作正确的是

 

答案

C

解析:问气味要用手轻轻扇动,取用块状固体要把试管平躺,稀释浓硫酸要注酸入水。

 

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