Question

how can we saprate common salt and chalk powder

Answer 1

Salt will dissolve in water and chalk will not. You will separate salt dissolved in water and chalk powder. Now, heat the water and evaporate all the water (evaporation). Thus you can separate salt and chalk powder.

Answer 2

Common salt can be separated by great the method of evaporation and crystallisation from water.

Chalk powdar can be separated by filtration method from water.

Hope it helps you!!!☺☺☺