试题与答案

如图所示,把点燃的蜡烛伸进盛有氧气的集气瓶里,蜡烛在氧气里比在空气里燃烧得更旺,

题型:选择题

题目:

如图所示,把点燃的蜡烛伸进盛有氧气的集气瓶里,蜡烛在氧气里比在空气里燃烧得更旺,发出白光℃燃烧停止后,稍稍冷却,船内壁上就会有水雾出现.瓶内壁出现水雾的现象属于下列哪种物态变化(  )

A.汽化

B.液化

C.熔化

D.凝华

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:阅读理解

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