Explain why? (a) Common salt becomes sticky during the rainy season.
Explain why?
(a) Common salt becomes sticky during the rainy season.
(b) Blue vitriol changes to white upon heating.
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2 Answers
(a) common salt contains impurity of magnesium chloride which is of deliquescent nature. When exposed to the atmosphere, it becomes moist. Therefore it becomes sticky during rainy season.
(b) Blue vitriol (CuSO4.5H2O) upon heating changes to anhydrous copper sulphate (CuSO4) which is white in colour.
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Answered
(a) Common salt contains impurity of magnesium chloride (MgCl2) which is of deliquescent nature. When exposed to atmosphere, it becomes moist. Therefore common salt becomes sticky during the rainy season.
(b) Blue vitriol (CuSO4 5H2O) during heating changes to a anhydrous copper sulphate (CuSO4) which is white in colour.
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Answered