Solution:Concept- Plaster of Paris is chemically calcium sulphate hemihydrate. It is a white powder that is used for plastering walls, making casts for broken bones, making sculptures, and many more.
The chemical name of plaster of Paris is Calcium sulphate hemihydrate and the chemical formula of plaster of Paris is .
It is obtained from dehydrating gypsum ().
Thus, Plaster of paris (POP) is the commercial name of calcium sulphate hemihydrate.