Loading please wait

The smart way to improve grades

Comprehensive & curriculum aligned

Try an activity or get started for free

Revise Different Methods of Separating Mixtures

In this worksheet, students will revise all the different ways of separating mixtures and understand which method to use in different circumstances.

'Revise Different Methods of Separating Mixtures' worksheet

Key stage:  KS 3

Year:  Year 9 Science worksheets

Curriculum topic:   Chemistry: Pure and Impure Substances

Curriculum subtopic:   Separating Mixtures

Difficulty level:  

Worksheet Overview

Separation techniques are used to split up mixtures into their different components. The types of separation technique used to accomplish this will depend on the states of matter in which we find the mixture's components.


Separation technique Useful for separating......
Filtration An insoluble solid from a liquid
Distillation A solvent (liquid) from a solution
Crystallisation A solute (soluble solid) from a solution
Fractional distillation A liquid from a mixture of liquids
Chromatography Coloured soluble substances


Filtration can be used to separate an insoluble solid from a liquid, for example if you had a mixture of sand and water. The mixture would be poured through filter paper in a funnel, through which the larger particles of insoluble solid would not be able to pass. 


filtration experiment


To separate a solution (a soluble solid or solute in a liquid or solvent) you could use either distillation or crystallisation.

Crystallisation is used to obtain solid crystals of the solute as the solvent evaporates slowly in an evaporating basin. 


evaporation experiment


Distillation is used to separate a solvent from a solution, for example it can be used to obtain water from a salt solution. When the solution is heated, solvent vapour evaporates from the solution as it has a higher boiling point than the solvent, which is then cooled and condensed leaving behind the liquid solvent.


 distillation experiment


A solution made up of a mixture of soluble substances can be separated by chromatography, as the different dissolved substances have different solubilities so will move through the chromatogram at different rates. 


chromatography experiment


For a mixture containing multiple different liquids, fractional distillation could be used. This works because the different liquids have different boiling points, so when the mixture is heated, the fractions vapourise and then condense when they reach their boiling point. 


fractional distillation


Do you think you would be able to choose the correct separation technique for various scenarios? Let's have a go!

What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started

Try an activity or get started for free

  • National Tutoring Awards 2023 Shortlisted / Parents
    National Tutoring Awards 2023 Shortlisted
  • Private-Tutoring-WINNER-EducationInvestor-Awards / Parents
    Winner - Private Tutoring
  • Bett Awards Finalist / Parents
  • Winner - Best for Home Learning / Parents
    Winner - Best for Home Learning / Parents