1) During paper chromatography, what should be used to draw the start line? a) A pen b) A pencil c) A crayon 2) What would be the problem if the start line was drawn in pen? a) The start line would move up the paper as the water rises b) The start line would move down the paper c) The spots wouldn’t move during the experiment 3) What term is used to describe chromatography when the colours spread out from a central spot in a circular pattern? a) Radial chromatography b) Concentric chromatography c) Circular chromatography 4) What word is used for the piece of paper containing the pattern of spots after a chromatography experiment? a) Chromaphone b) Chromatogram c) Chromagram 5) What word is used for a coloured substance which can be mixed together to make an ink? a) Emulsifier b) Detergent c) Pigment

Chromatography

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