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Edexcel GCSE Chemistry Topic 2 - States Of Matters And Mixtures 





Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


 I can represent a solid, a liquid and a gas by drawing the arrangement of atoms

 • I can recall that energy is needed to change state

 • I can predict the state of a substance at a given temperature

 • I can define the term compound

 • I can recall the difference between a pure substance and a mixture

 • I can define the term formulation

 • I can use the melting point of a substance to determine if it is pure or a mixture

 • I can give everyday example of formulations

 • I can describe how chromatography can be used to identify if a compound is pure or a mixture

 • I can calculate Rf values

 • I can define the term mixture

 • I can describe different way to separate mixtures using physical processes Video 1 Video 2 

 • I can recall the methods used to produce portable water

 • I can describe the ways of sterilising water

 • I can describe the process of desalination

 • I can recall the difference between pure and portable water

 • I can describe the process of waste water treatment

 • I can describe different method for purifying water