On the results of the chromatography the blue dot is low on the chromatography paper what does this suggest?
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Card 7
Front
An unknown colour was tested using paper chromatography. The results show a red dot and blue dot. what Colour is the unknown ink and how many colours is it made up of?
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Card 8
Front
Once you have finished the experiment where would you draw a line on the chromatography paper?
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Card 9
Front
Before the experiment starts where would you draw a line on the chromatography paper?
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Card 10
Front
What would you use to draw this line? Give a reason for this.
