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AQA GCSE chemistry unit 8 notes
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hand written AQA GCSE chemistry notes and key definitions for unit 8, chromatography, formulations and purity
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CHROMATOGRAPHY TESTS +(UNIT 8)
Whatare pure
* substances in
chemistry? *
·
single element, compound
·nothing added to it
How do
*
you determine the purity of substance? *
·melt/boil atspecific temp.
Whatare pure substance in
* everyday life?*
nothing added into it
·
Whatare
* formulations? *
·
mixture designed for useful product
Whatare some examples
* of formulations? *
·
fuels, cleaning agents, medicine
Whatare formulations
* useful for? *
·
pharmaceutical industry
Whatare the two
* stages in paper chroma-
tography? *
·
mobile phase
stationary phase
·
Whatis the
* mobile phase? *
·
phase where molecules can more
↳State of LIQUIDIGAS
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