Question

what is winnowing? Where it is used and when? What is the difference between threshing, decantation,and sedimentation?​

Answer 1

1) Threshing and winnowing:-

•Threshing:It is the process of separating grain from the stalk.

•Winnowing: It is the process in which unwanted husk is removed from grains.

2) Sedimentation and Decantation:-

•Sedimentation: It is the process of setting down of heavy insoluble impurities.

•Decantation: It is the process of separating mixtures by removing a layer of liquid.

3) Evaporation and Condensation:-

•Evaporation:It is the process in which there is a change in state from liquid or solid to gaseous.

•Condensation:It is the process of change from a vapour to a solid or liquid state.

Explanation:

Answer 2

Winnowing is the process of separation of the heavier components from the lighter components of a mixture by wind or by blowing air. It is generally used by farmers to separate the lighter impurities such as husk particles from the heavier grains. ... Farmers use this method for separating the grains from husk and hay.

Threshing:It is the process of separating grain from the stalk. Winnowing: It is the process in which unwanted husk is removed from grains. Sedimentation: It is the process of setting down of heavy insoluble impurities. Decantation: It is the process of separating mixtures by removing a layer of liquid

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