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 Form 1 Chemistry Simple Classification of Substances Questions and Answers

The chromatogram below was obtained from a contaminated food sample p. Contaminants Q, R, S and T are suspected to be in p. Use it to answer the
following questions.
(a) Identify the contaminant in mixture p?
(b) Which is the most soluble contaminant in p?

 (1m 50s)
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