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How Vapour Is Different From Gases

How vapour is different from gases? Give examples of each. 

In general, those substances which are liquids at room temperature and turn into gas state due to evaporation are called vapours. While the substances which are in gaseous state at room temperature are termed as 'gases'.

e.g.  Sulphur, camphor exhibit phase change and turn into vapours. While Carbon Dioxide (CO2), Oxygen (CO2), Nitrogen (N2), Helium (He) exist as gases at room temperatures.
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