Question

Explain the various methods used to
separate a mixture of rice grains, sand, salt
and water.​

Answer 1

Answer:

Mixture of rice and salt: Rice and salt can be separated by sieving. ... Salt dissolves in water and sand can be separated by sedimentation and decantation followed by filtration. After that, using evaporation, common salt is separated.

Answer 2

Answer:

Separating rice grains and sand can be done by sieving

Separation of salt and water can be done by evaporation

Separation of rice grains and salt can be done by sieving or by putting both rice grains and salt into water and letting it evaporate