Question

why plaster of paris​

Answer 1

Explanation:

Plaster is the common name for calcium sulphate hemi hydrate made by heating the mineral gypsum, the common name for sulphate of lime. ... Thus, during the early 18th century, Paris became the centre of plaster production, and hence the name, plaster of Paris.

Answer 2

 plaster of paris. : a white powdery slightly hydrated calcium sulfate CaSO4·¹/₂H2O or 2CaSO4·H2O made by calcining gypsum and used chiefly for casts and molds in the form of a quick-setting paste with water.