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Which of the following statements about the solubility of a salt is correct?

Which of the following statements about the solubility of a salt is correct?
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  • A A salt whose solubility increases with temperature would not crystallize easily on cooling
  • B A salt whose solubility is independent of temperature would normally crystallize out on cooling
  • C Crystallization would be efficient in separating out a salt whose solubility increases considerably with temperature
  • D Solubility of a solid does not affect its crystallization
Correct Answer: Option C
Explanation:
Crystallization is based on the principles of solubility: compounds (solutes) tend to be more soluble in hot liquids (solvents) than they are in cold liquids. If a saturated hot solution is allowed to cool, the solute is no longer soluble in the solvent and forms crystals of pure compound.

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