Why is the separation of a mixture done?
Separation of components of a mixture is done for the following purposes:
(i) To remove harmful components such as insects from grains or insects and other soluble impurities from water.
(ii) To remove an undesirable component such as stones etc. from wheat, rice.
(iii) To obtain a useful component such as butter from milk or gur from sugarcane.
(iv)To obtain a pure sample of a substance.