Which of the following salts has no water of crystallization?
A
Blue vitriol
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B
Washing soda
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C
Baking soda
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D
Gypsum
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Solution
The correct option is C Baking soda The water of crystallisation is the number of water molecules that combine chemically in definite molecular proportion, with the concerned salt in its crystalline state.
So, the answer is baking soda which has a formula.NaHCO3