Chemistrymedium · Past Paper
The water of crystallization in Gypsum is:
A1 molecule
B2 molecules
C5 molecules
D10 molecules
✓ Correct Answer: B — 2 molecules
Gypsum has the formula CaSO4.2H2O, containing 2 molecules of water of crystallization.
Share this question
More from Chemistry
- The percentage of carbon in an organic compound is 80% and hydrogen is 20%. What is its empirical formula?
- Which metal is used as a 'getter' in vacuum tubes to remove traces of oxygen?
- Which of the following is the most reactive metal?
- What is the valency of Iron in Ferric Chloride?
- Which of these is the most reactive alkali metal?