Separation Techniques

Question 1

Filtration

Answer 1

Insoluble solid and liquid
* Filter paper has tiny holes in it
* Liquid particles can pass through the holes
* Larger solid particles cannot pass through

Question 2

Distillation

Answer 2

Solute and solvent (keeps solvent)
* Solution is boiled so solvent turns to gas
* The gas is then cooled in a condenser where it condenses and is collected as a liquid

Question 3

Chromotography

Answer 3

Mixtures of soluble solids
* A mixture like ink is placed on a piece of paper which is placed in the solvent
* As the solvent moves up the paper it seperates the solids creating a chromatogram

Question 4

Evaporation

Answer 4

A solute and a solvent, keep solute
* The solution is heated then left in an evaporating basin till all the solvent evaporates
* The solute is left behind as a solid