Question

What happens if a saturated solution of a substance and water is
(a) heated (b) cooled

Answer 1

If a saturated solution is heated, then it becomes unsaturated because solubility of solute increases on heating. If a saturated solution is cooled, then some of its dissolved solute will separate out in the form of solid crystals.

Answer 2

Answer:

(a) The heat will increase the solubility of substance and solution becomes unsaturated.

(b) Because of cooling the solubility of substance decreases and leads to the formation of precipitates.

Explanation:

A solution is a homogenous mixture of two or more components, always one of them should be liquid.

• At a given temperature condition, a solution that has dissolved the amount of solute as it is capable of dissolving is known as a saturated solution.
• If the saturated solution of a substance in water is heated. Then the more solute will be able to dissolve in water as the solubility of solute increases. Therefore, saturated solution will become unsaturated solution.
• When the saturated solution of a substance  and water is cooled. Then the solubility of the solute decreases and  the solute starts forming solid crystals due to precipitation.

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