Question

Sieving is used to separate a mixture when all the constituents are solids of the same size.

• A. True
• B. False

Answer 1

The correct option is B False

• Sieving is used for separating solids when the constituents of a mixture are of different sizes.
• The sieve is a wire mesh fixed tightly in a frame.
• Solids larger than the wire mesh size are retained on the sieve and smaller solids pass through it.
• By using a larger number of sieves each wire with a wire mesh of different sizes it becomes possible to separate a mixture of solids into different lots of uniform sizes.

Therefore, the given statement is false.