Try this quiz to help you to revise
http://www.docbrown.info/ks3chemistry/9EmcHP6.htm
This part outlines what you are expected to learn in this topic.
http://www.docbrown.info/ks3chemistry/9Enotes.htm
More help.......
http://lgfl.skoool.co.uk/viewdetails_ks3.aspx?id=517
and more...
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/compounds_mixtures/revision/5/
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