The technique of dissolving an impure solid in the minimum amount of hot solvent, cooling the solution and filtering off the solid is called what? And what is the aim of this technique?

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Answer

The technique is called recrystallisation and the aim is to leave impurities on the filter paper.

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The technique is called recrystallisation and the aim is to leave impurities in the solution, resulting in a more pure solid.

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The technique is called filtration and the aim is to leave impurities in the solution, resulting in a more pure solid.

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The technique is called recrystallisation and the aim is to leave impurities in the solid, resulting in a more pure substance in solution.

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The technique of dissolving an impure solid in the minimum amount of hot solvent...

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