Question

3. What happens when a saturated solution is heated? (becomes
unsaturated)
4 What happens when a hot saturated solution is cooled?
(crystals are formed)
5 How can we obtaindifferent gases from air?( by fractional
distillation.)draw flow chart)
6 How can we obtain pure copper sulphate from an impure
sample?
7 Colloids are quite stable. Name the process by which you can
separate its components
8 state the principle on which the following techniques are based
a) Evaporation
b) Separation of 2 miscible liquids
c) Common salt from ammonium chloride
d) Different components of a dye

Answer 1

Answer:

If a saturated solution isheated, 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.

Explanation:

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