Question

give one example each of a situation in which sieving an winnowing can be used for bringing about the required separation​

Answer 1

Explanation:

Give an example. Ans. Sieving allows the fine flour particles to pass through the holes of the sieve while the bigger particles or impurities remain on the sieve. For example, in a flour mill, impurities like husk and stones are removed from wheat before grinding it.

Answer 2

One example of sieving : sieving of sand.

One example of winnowing : winnowing of rice ( paddy).

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