You are provided with solution of substance ‘X’. How will you test whether it is saturated or unsaturated with respect to ‘X’ at a given temperature? What happens when a hot saturated solution is allowed to cool ?

Ans. When no more quantity of ‘X’ substance can be dissolved in a solution at a given temperature, then the solution is saturated with respect to ‘X’. When a hot saturated solution is allowed to cool, crystals of substance separate out from the solution.

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