Question

We know that most of the natural substances are not chemically pure. Different methods can be used to get individual components from a mixture. The separation of mixture makes it possible to study about the use of individual component of a mixture. Heterogeneous mixtures are separated into their respective components by using separation techniques, like hand picking, sieving, filtration, magnetic separation, winnowing, etc.
The processes of separating grains from husk and gram from wheat flour respectively, are


A: Sieving and winnowing


B: Winnowing and sieving


C: Hand picking and winnowing


D: Hand picking and sieving

Answer 1

Explanation:

B) winnowing and sieving

Answer 2

The processes of separating grains from husk and gram from wheat flour respectively, are Winnowing and sieving.

The processes of separating grains from husk and gram from wheat flour respectively, are Winnowing and sieving. The correct option is B.

• Winnowing is a method used to separate grain from husk by wind.
• Sieving is a method which is used to separate wheat flour from husk, dust etc.