Question

which of the following salts does not contain water of crystallization a blue vitriol B baking soda washing soda Di gypsum ​

Answer 1

Answer:

Baking soda (NaHCO3)

does not contain water of crystallisation .

Answer 2

$\huge\underline\bold\color{teal}\mathfrak {Answer}$

The answer is (B) Baking soda.