Common salt is crystalline.Butthe saltprepared from sea wateris wetted

1.	Common salt is crystalline.Butthe saltprepared from sea wateris wetted.Why?
Answer» SOLUTION :Sea water mainlycontains chlorides of sodium ,calcium and MAGNESIUM. Sodium chloride separated from sea watercontains`MgCl_(2) and CaCl_(2)`as impurities.these impure chlorideeasily absorb atmosphere watervapourand are HYDRATED . Becauseof thehygroscopicnature of `MgCl_(2) and CaCl_(2)`common salt NaCl prepared from sea water is WETTED .

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