Question

How to separate sand from salt

Answer 1

add a little water to the mixture and stir it well so that the salt dissolves and the filter the mixture using fliter paper , the residue will be sand and then heat the filterate and when the water evaporates the salt is left in the bottom of the flask or container.

hope it works...

Answer 2

Add the mixture of sand and salt in water and stir the solution thus formed. You will observe that all the salt dissolved in water, the sand is what that leaves behind. Filter the solution. The sand remains behind and the salt dissolved in water gets filtered of all the sand. Then evaporate the solution by heating it to get back the dissolved salt in its crystalline form.