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 Form 1 Chemistry Simple Classification of Substances Questions and Answers

Samples of urine from three participants F, G and H at an international sports meeting were spotted onto a chromatography paper alongside two from illegal drugs A1 and A2. A chromatogram was run using methanol. The figure below shows the chromatograms.
(a) Identify the athlete who had used an illegal drug
(b) Which drug is more soluble in methanol?

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