Answer :

Baking soda does not contain water of crystallization. The chemical formula of baking soda is NaHCO3. Its formula does not show any association with water molecules.

Other three contain water of crystallization blue vitriol (CuSO4 .5H2O), washing soda (Na2CO3 .10H2O) and gypsum (CaSO4 .2H2O).


The number of water molecules that are attached to a molecule of salt is called its water of crystallization. It is also known as water of hydration. This is necessary to maintain the crystalline structure of a salt. The salts that contain water of crystallization are called hydrated salts.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

Write the chemicaLakhmir Singh & Manjit Kaur - Chemistry

What are the mateLakhmir Singh & Manjit Kaur - Chemistry

What is the chemiLakhmir Singh & Manjit Kaur - Chemistry

Name a metal compLakhmir Singh & Manjit Kaur - Chemistry

Write the formulaLakhmir Singh & Manjit Kaur - Chemistry