Question

3. What is a sieve? How does it ​

Answer 1

Answer:

Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. Coarse particles are separated or broken up by grinding against one another and the screen openings. ... Sieves are also used to separate stones from sand.

Explanation:

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Answer 2

Answer:

Sieve is a shallow vessel having small holes at it's bottom.The method of seperating mixtures by using sieve is called sieving.

Sieving is used to seperate those solid mixtures which have components of different sizes.