Question

1)Hand-picking is used to separate salt and sand mixed together. rewrite these sentences correctly. ​

Answer 1

Answer:

To separate sand and salt, we dissolve the mixture in water and then filter it. In this way salt get dissolved in water while sand we get as residue. Thus, we can say handpicking is used for separating slightly larger sized impurities such as pieces of dirt, stones, husk from wheat, rice, pulses etc.

Answer 2

Answer:

6

The mixture is then separated from sawdust and sand by filtration.

Explanation:

hope it helps you

hence the correct answer is sedimentation and decantation