Question

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

Answer 1

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

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Answer 2

Answer:

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

Explanation:

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