Question

Can we separate chalk powder dissolved in water using evaporation?

Answer 1

yes,we can separate chalk powder dissolved in water using evaporation. when all the water is evaporated the dissolved chalk will leave it's remaining.

Answer 2

yes we can because salt in water is a colloidal dispersion and so the chalk powder remains dispersed in it without dissolving so we can separate the mixture by evaporation. On evaporating the water only the chalk powder will be left out and hence can be separated