Describe a method of separate a mixture of common salt and sand.
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Salt is soluble in water whereas sand is insoluble in water. The difference in their solubility is used to separate them. The mixture of sand and salt is dissolved in water, then it is filtered with the help of filter paper. Sand remains as residue on the filter paper while salt solution is obtained as filtrate . The filtrate is then evaporated to get crystals of salt.
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