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Common table salt becomes moist and does not pour easily in rainy season because

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(A) It contains magnesium chloride

(B) It contains magnesium carbonate

(C) It melts slightly in rainy season

(D) Sodium chloride is hygroscopic

Ans. A

Sol. MgCl2 is more soluble than NaCl. So it is very difficult to remove MgCl2 from NaCl solution.

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