teacher packs in experimental science chepack 5 determination of purity of food colours using paper chromatography pack contents a teacher s guide b students guide c assessment student s sheet ...
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...Teacher packs in experimental science chepack determination of purity food colours using paper chromatography pack contents a s guide b students c assessment student sheet d extensions to experiments e links other f health and safety g evaluation curriculum areas covered homogenous heterogeneous mixtures separation produced as part delphe funded collaboration between university cape coast the open uk che title target group dbe also suitable for shs learning outcomes knowledge understanding after going through this should be able kn explain how coloured pigments can separated by identify stationary phase mobile define term r value cognitive skills cs interpret qualitative quantitative results chromatogram key ks calculate values simple multiplication division based on draw label developed practical ps set up use appropriate equipment record table separate components various chemistry ucc it is important not touch with fingers because sweat dirt deposits cause confusion final handle clea...