Question

Smith has a mixture of( sand+salt+hardstone+iron piece+husk+sawdust) he need the sand to get saparared from this which he can use to construct building. Suggest him different ways of saperating all the components.

Answer 1

1.The hardstone can be separated by handpicking.
2.Ironpiece by magnetic separation
3.Then mixture can be winnowed to remove husk.
4.The remining mixture can be disoolved in water.The sawdust floats, salt dissolves and sand settles.

Now all the components are separated.