【毎日一問】工程基礎知識（判断問題）20190401
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液状炭化水素は無色透明で特有の臭いを持つ液体で、常温常圧下では非常に容易に揮発・気化し、気化後は体積が250～350倍に急速に拡散する。また、空気よりも1.5～2.0倍重い。対
液状炭化水素は無色透明で特有の臭いを持つ液体で、常温常圧下では非常に容易に揮発・気化し、気化後は体積が250～350倍に急速に拡散する。また、空気よりも1.5～2.0倍重い。 正解
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