Techniques for Separating Mixtures

Chpt 2 Matter

Filtration

• separating undissolved solids from liquids

Distillation

• separates liquids based on boiling points

Crystallization

• heated solution is cooled; purified dissolved particles solidify (ex. rock candy)

• https://www.youtube.com/watch?v=cdi6K6QvF3I

Ammonium chloride crystals

Chromatography

• separate components of mixture based on solubility or size of molecules

Magnetization

• separates based on magnetic properties (ex. iron in cereal, junkyard)