Can oil evaporate?
Answer:
Boiling point of oils are very high as compared with Boiling Point of water. So we spray layer of oil on water surface to prevent evaporation of water.
Oil evaporates much more slowly than water
Oils can evaporate, but they have a much lower vapor pressure at room temperature than does water. I have experienced the evaporation of oil when I heat it up for use as a high-temperature oil bath for heating chemical reactions. After a few hours at temperatures around 180C, you can see the oil level has gone down a bit.
oils vapour pressure is much lower than the atmospheric pressure
and evaporation takes place when
atmospheric pressure= vapur pressure
hence by some means like temperature increase if we can increase the vapour pressure then even oil can evaporate
vapour is a state of matter which exists as a gas under certain conditions of pressure and absolute temperature.
since oil is aliquid a state of matter it also evoparates when the pressure in its surrounding atmsphere is equal
i hope this helps
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