如图1所示,下面四个实验现象中,能够说明分子在不停地运动的是(

如图1所示,下面四个实验现象中,能够说明分子在不停地运动的是(    )


A.用力把两铅块压紧,它们会结合在一起

B.抽离玻璃板,一段时间后两瓶气体颜色变均匀

C.用力才能把与水面接触的玻璃拉离水面

D.注射器中含有乙醚蒸汽,用力推压活塞,注射器中出现液态乙醚

答案

B

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