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Get Answers to all your Questions
Which of the following salts does not contain water of crystallisation?
(a) Blue vitriol
(b) Baking soda
(c) Washing soda
(d) Gypsum
Answers (1)
Answer : (b)
Baking soda is (sodium hydrogen carbonate).
blue vitriol is
washing soda is
Gypsum is
The water molecules which form part of the structure of a crystal (of a salt) are called water of crystallisation. The salts which contain water of crystallisation are called hydrated salts. So, baking powder does not contain water of crystallisation.
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