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> 下列的几种现象中,属于液化现象的是()A.在寒冷的冬天,冰冻的湿衣服会慢慢变干B.擦在皮肤上的酒精很快变干C.深秋时节,早晨会看到树枝上挂满了霜D.烧水时从壶嘴喷出“白气”-物理
下列的几种现象中,属于液化现象的是()A.在寒冷的冬天,冰冻的湿衣服会慢慢变干B.擦在皮肤上的酒精很快变干C.深秋时节,早晨会看到树枝上挂满了霜D.烧水时从壶嘴喷出“白气”-物理
题目简介
下列的几种现象中,属于液化现象的是()A.在寒冷的冬天,冰冻的湿衣服会慢慢变干B.擦在皮肤上的酒精很快变干C.深秋时节,早晨会看到树枝上挂满了霜D.烧水时从壶嘴喷出“白气”-物理
题目详情
下列的几种现象中,属于液化现象的是( )
A.在寒冷的冬天,冰冻的湿衣服会慢慢变干
B.擦在皮肤上的酒精很快变干
C.深秋时节,早晨会看到树枝上挂满了霜
D.烧水时从壶嘴喷出“白气”
题型:单选题
难度:中档
来源:丰台区一模
答案
A、在寒冷的冬天,冰冻的湿衣服中的冰由固态升华变为气态而散失在空气中,从而衣服变干,是升华现象,不属于液化现象,故A错误.
B、擦在皮肤上的酒精由液态蒸发变为气态从而变干,是汽化现象,不是液化现象,故B错误.
C、深秋时节,早晨树枝上的霜是空气中的水蒸气凝华变成小冰晶而形成的,是凝华现象,不属于液化现象,故C错误.
D、烧水时从壶嘴中蒸发或沸腾出的水蒸气遇冷液化形成的小水珠悬浮在空中形成“白气”,是液化现象,故D正确.
故选D.
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题目简介
下列的几种现象中,属于液化现象的是()A.在寒冷的冬天,冰冻的湿衣服会慢慢变干B.擦在皮肤上的酒精很快变干C.深秋时节,早晨会看到树枝上挂满了霜D.烧水时从壶嘴喷出“白气”-物理
题目详情
答案
B、擦在皮肤上的酒精由液态蒸发变为气态从而变干,是汽化现象,不是液化现象,故B错误.
C、深秋时节,早晨树枝上的霜是空气中的水蒸气凝华变成小冰晶而形成的,是凝华现象,不属于液化现象,故C错误.
D、烧水时从壶嘴中蒸发或沸腾出的水蒸气遇冷液化形成的小水珠悬浮在空中形成“白气”,是液化现象,故D正确.
故选D.