(a) Why we cannot separate common salt from common salt - water mixture using filtration?
(b) How is evaporation process used to obtain common salt from sea water on a large scale?
Asked by Topperlearning User | 8th May, 2014, 08:54: AM
(a) We cannot separate common salt from common salt - water mixture by using filtration process because common salt is completely soluble in water and hence cannot be filtered off from the solution.
(b) Sea water is trapped in lagoons and allowed to stand for 3-4 days. The heat of sun gradually evaporates water in the lagoons and common salt is left behind as a solid.
Answered by | 8th May, 2014, 10:54: AM
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