Question

4. What is sieving? Where is it used?
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Answer 1

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Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. ... Sieves are also used to separate stones from sand.

Answer 2

Answer:

Sieving. Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. ... Sieves are also used to separate stones from sand.