Q. The chemical formula of plaster of Paris is
A) $CaSO_{4}\ .\frac{1}{2}H_{2}O$
B) $CaSO_{4}\ .\ H_{2}O$
C) $CaSO_{4}\ .\ 2H_{2}O$
D) $CaSO_{4}\ .\ 3H_{2}O$
Explanation
(a)
Plaster of Paris $CaSO_{4}\ .\frac{1}{2}H_{2}O,$ gypsum $CaSO_{4}.\ 2H_{2}O.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.