Question

In villages, we see women separating the grains from the chaff by throwing the grains from a certain height to fall back into a vessel. What is this process called? Explain.

Answer 1

This process is called winnowing.

It is one of the methods used to separate heavier and lighter components of a mixture.

The mixture is exposed to blowing wind. The wind blows away the lighter materials, while the heavier parts fall back for recovery, hence separating the two substances of a mixture