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A mixture is formed by two kinds of matt...

A mixture is formed by two kinds of matter, the molecules of which possess only vibratory motion. If the change in solubililty of two substances in a given solvent differs widely with the change in temperature, how can these two solids be separted from the solvent?

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Solids possess the molecules which have only vibratory motion. Thus both the substances are solids. As their solubility in a particular solvent differs in a particular range of temperature, they can be separated by fractional crystallisation
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