what is distilation?why is it used? and where is it used?

  Distillation is a process of separating the component substances from a liquid mixture by selective evaporation and condensation.  Distillation is a process that can be used to separate a pure liquid from a mixture of liquids. It works when the liquids have different boiling points. Distillation is commonly used to separate ethanol - the alcohol in alcoholic drinks - from water. The mixture is heated in a flask. Distillation is commonly used to separate ethanol - the alcohol in alcoholic drinks - from water. The mixture is heated in a flask.