Question

Plaster of Paris is represented as

• A. $CaSO_4 . \frac{1}{2} H_2O$
• B. $CaSO_4 . H_2O$
• C. $CaSO_4 .2 H_2O$
• D. $CaSO_4$

Answer 1

Answer: (A)

$CaSO_4 . \frac{1}{2} H_2O$

Answer 2

$CaSO _{4} \cdot \frac{1}{2} H _{2} O$ In art gypsum is mainly used in the partly dehydrated form of plaster of Paris