Question

Differentiate between hand picking and sieving.
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Answer 1

Handpicking: This method is used for separating impurities which are less in number and slightly large in size than the substance. ... Sieving: This method is used when there is difference in size between the impurities and substance.

Explanation:

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Answer 2

Answer:

hand picking is the process in which the grains are separated by usual hand.

Seiving is the process in which we use a sieve to separate grains.