Question

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Tell the process of threshing , winnowing , hand picking , sieving and sedimentation .​

Answer 1

2) Threshing : Threshing is the process of loosening the edible part of cereal grain (or other crop) from the scaly, inedible chaff that surrounds it.

3) Winnowing : Winnowing is an agricultural method developed by ancient cultures for separating grain from chaff.

4) Sieving : The method of separation of particles from a mixture based on difference in size of particles is known as sieving.

Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity. The particles that settle out from the suspension become sediment, and in water treatment is known as sludge.The method of hand picking is used to separate undesirable substances such as small pieces of stones from wheat, rice and pulses. The food grains containing small pieces of stones are taken in a flat container. The pieces of stones are picked up from the grains by hands, one by one, and thrown away

Answer 2

Answer:

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✍︎Threshing✍︎

the process of separating The grain from the stalks (dried system) is called threshing

✍︎ Winnowing✍︎

the method of separating husk from grains with the help of wind is called winnowing

✍︎Hand picking✍︎

the method used to remove unwanted substances from a mixture using hands is called hand picking

✍︎Sieving✍︎

the method used to separate the components of different sizes in a mixture using a sieve is called sieving.

✍︎Sedimentation✍︎

when the heavier component in a mixture settles down after water is added to it the process is called sedimentation