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 Form 1 Chemistry Simple Classification of Substances Questions and Answers

Consider the solubility of substance X, Y and Z in different solvents in the table below.
solubility.png
Describe how you would obtain a sample of Y from the mixture.

 (1m 7s)
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Answer Text:
Dissolve the mixture in Ester will dissolve. Filter to obtain a mixture of X and Y in the filter paper. Dissolve the mixture of X and Y in Ethanol and Y will dissolve leaving X behind. Now filter to remain with Y dissolved in Ethanol, You can crystallize the filtrate to obtain pure Y.


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