Evaporation can be used for separating a solute from a solvent in a solution, and heating liquids is also made easier by allowing saturated gas to reduce evaporation. Given these facts, what can be used to separate a solute from a solvent in a solution among the following options:
- flow of electrons
 - Dehydration
 - heat energy
 - heating liquids
 - a hydraulic system
 - water vapor
 - kinetic energy
 - Time and energy


 

    heating liquids     