题干

在如图所示的实验中,用酒精灯给试管加热,试管内水的温度逐渐升高直至沸腾.水沸腾后,橡胶塞从试管口飞出,试管口附近有“白气”产生.关于上述过程中能量的变化情况,下列说法错误的是(  )

A:酒精燃烧的过程,是化学能转化为内能的过程

B:水升温的过程,是通过热传递使内能增加的过程

C:试管口附近出现“白气”的过程,是内能增加的过程

D:活塞飞出的过程,是通过做功使内能转化为机械能的过程

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答案(点此获取答案解析)

C

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