Complete lesson ppt for; Pure and impure substances C2.1 a,b & c new spec GCSE chemistry / science
Define purity scientifically
Explain that lots of useful substances are mixtures
Analyse data on melting points to distinguish between pure and impure substances.
Lots of self assessment questions and simple explanations.
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Really easy to follow resource. Thank you!
Thanks for sharing
A good resource but contains a lot of spelling mistakes!
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