Which of the following salts does not contain water of crystallization – InterviewSolution

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1.	Which of the following salts does not contain water of crystallization?
Answer» Blue vitriol Baking soda washing soda Gypsum Solution :Chemical formula of baking soda is `NaHCO_(3)` (sodium HYDROGEN carbonate). Chemical formulae of blue vitriol is `CuSO_(4).5H_2O`, washing soda is `Na_(2)CO_(3) . 10 H_(2)O` and gypsum is `CaSO_(4). 2H_(2)O`. So, baking POWDER does not containwater of crystallisation

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