A) Shake the mixture with water, filter and dry the residue on the filter paper.
B) Shake the mixture with water, filter and evaporate the filtrate.
C) Heat the mixture gently and collect the substance which sublimes.
D) Shake the mixture with water and filter it.
Correct Answer: B
Solution :
Mixture of sodium chloride and sand is added in water. Sodium chloride is soluble in water while sand is insoluble and sand can be removed by filtration. The filtrate obtained is evaporated. In which water evaporate while salt is left behind.
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