Question 9 — Compare evaporation, crystallization and - Questions at the end of the chapter - Chapter 5 - Exploring Mixtures and their Separation (Exploration)

Evaporation removes the solvent to get a solid solute — preferred when the solute is stable on heating and you do not need the solvent back (e.g. getting salt from salt water).

Crystallization forms pure crystals by cooling a saturated solution — preferred when you need a pure solid and want to leave impurities behind (e.g. purifying copper sulfate).

Distillation boils and condenses — preferred when you want to recover the solvent, or separate two miscible liquids with different boiling points (e.g. acetone and water).