1.

A clear solution is heated in a china dish where upon a solid separates from the hot solution. It is due to the fact that

Answer»

the SOLID has a positive enthalpy of solution
the solid has a NEGATIVE enthalpy of solution
solvent has evaporated
the solute is volatile.

Solution :(a) If the solid has positive enthalpy of solution its solubility will DECREASE with INCREASE in temperature and the solid will SEPARATE out on heating .
The solid can also separate out on the evaporation of the solvent.


Discussion

No Comment Found