describe how you can crystallize potassium nitrate from its aqueous solution

Answer 1

Allow the solvent to evaporate slowly. KNO3 will crystallize.

Answer 2

by controlling the evaporation of the water from the solution.

Answer 3

By adding phenol and you distillate the solution after wards or heat the solution to evaporate the water until it is saturated . let it cool and filter off the crystals that are formed