Question

water and milk are volatile liquid???​

Answer 1

[Volatility describes how easily a substance will vaporize (turn into a gas or vapor).]

so as you know that Water and milk are volatile liquid because they vaporize quickly.

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Extra info ;

Water (H2O) is moderately volatile. It has a boiling point of $100^{o} c$ and evaporates only slowly at room temperature. It is not flammable or explosive.