What are the general characteristics of substances chemists use to separate mixtures into individual substances?

Generally, chemists separate components of substances by taking advantage of the properties of the substances that are unique to each one.
For instance, to separate a mixture of salt and stones, a chemist will pour the mixture in water. He does this, because he is taking advantage of the fact that stones will not dissolve in water, only salt will.

If you open the bottle of perfume then nothing but the smell will come out of it and yes it is a type of gas smell because it’s say it in english so i can understand better and you