Question

on what basis will you choose a method separation

Answer 1

It may be on the basis of:-
1)The density of materials.
2)The boiling point of materials.
3)State of materials.

HOPE THIS WILL HELP

Answer 2

NEED FOR SEPARATION

Imagine the following situations.

1) The milk you drink is not pure.It is mixed with substances like pond water containing bacteria....

2)The density of materials..

3) The boiling point of materials..

In all these case, it is necessary to remove undesirable and harmful substances before use..