Question

a mixture of sand,chalk powder and common salt is dissolved in water and then filtered.Name the substance left on the filter paper.name the substance in the filtrate

Answer 1

Hi friend here is your answer :-
sand,chalk powder are left on filter paper while Salt water (common salt + water) is filtrate

Answer 2

sand , chalk powder in the filter paper whereas the common salt dissolves in water . now there is salt solution in the filtrate . you can remove the salt from this solution by the process of evaporation.