Paper chromatography 4.0 / 5 based on 1 rating ? Chemistrypaper chromatographyGCSEAQA Created by: Tutku.DoganCreated on: 09-02-14 17:03 Why do we use paper chromatography in food? to identify the additives or artificial colours added to it. 1 of 5 Why do we use pencil instead of pen for the baseline on the filter paper? because the ink will be separated by the chromatography solvent. 2 of 5 Why do we make sure to baseline is kept above the solvent? So the baseline is not carried up the filter paper along with the dye/colouring. 3 of 5 Why do we put on a lid during this experiment? to prevent evaporation 4 of 5 You can use known samples alongside an unknown sample to identify the dyes that the unknown sample contains. True or False? True 5 of 5
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