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प्रश्न
Which property is mainly used in simple crystallisation to purify a solid?
विकल्प
Colour of the compound
Difference in melting points in cold solvent
Difference in solubility at hot and cold temperatures
Difference in densities of impurities
MCQ
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उत्तर
Difference in solubility at hot and cold temperatures
Explanation:
In simple crystallisation, the compound is more soluble in hot solvent and less soluble in cold solvent, so pure crystals separate on cooling.
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