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Crystallisation is based on the ____________

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Crystallisation is based on the ____________

(a) Difference in melting point

(b) Difference in boiling point

(c) Difference in pressure

(d) Difference in solubility

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The query is from Crystallisation in portion Methods of Purification of Engineering Chemistry I

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Correct answer is (d) Difference in solubility

The explanation: Crystallisation is based on the difference in the solubility of the compound and the impurities in a suitable solvent.

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