Question

Why did only the flour particles pass throug the sieve?

Answer 1

Explanation:

Sieving allows the fine flour particles to pass through the holes of the sieve while the bigger impurities remain on the sieve. In a flour mill, impurities like husk and stones are removed from wheat before grinding it. Usually, a bagful of wheat is poured on a slanting sieve.

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Answer 2

Sieving is a process of separation that involves the use of a sieve.

• For particles that cannot be separated by hand, the sieving process is used.
• The sieve's shape allows us to separate solids from liquids, solids from solids, or solids from mixtures.
• A sieve is an object made of a thin metal or plastic wire.
• The wire is organised in a variety of sizes and designed in a frame.
• The wire is positioned in such a way that the sieve contains a pore of a specific size.
• Large particles in the flour cannot be passed through the fixed pore size of the sieve.
• Only those particulates which are smaller than the diameter of the sieve's pore can cross the filter and others retains in the mesh.
• Sieving will not separate two liquids.
• Only one sort of solid may be separated via sieving.
• Sieving is a technique for separating particles of various sizes.