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 Form 1 Chemistry Simple Classification of Substances Questions and Answers

An experiment was carried out to determine the presence of substances P,Q, R and S in mixture T. the results obtained are shown below.
figsubstances3620201323.JPG
(a) Name the method of separation illustrated in the figure above.
(b) Select
(i) One substance which contains a component not present in T
(ii) A substance which is least soluble in the solvent used

 (2m 38s)
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