What is the chemical formula of plaster of paris ?

Answer
VerifiedVerified
137.1k+ views

CaSO4. 1/2 H2O.

Calcium sulphate with half a molecule of water per molecule of the salt (hemi-hydrate) is called plaster of paris (plaster of paris).

It is prepared by heating gypsum (CaSO4.2H2O) at 120°C in rotary kilns, where it gets partially dehydrated


Read More
Book your Free Demo session
Get a flavour of LIVE classes here at Vedantu
Vedantu Improvement Promise
We promise improvement in marks or get your fees back. T&C Apply*