Question

what is plaster of Paris?? ​

Answer 1

Here's the answer :

Plaster of paris is a white powder which forms when Gypsum is heated on 373 kelvin .

Actully in 373 kelvin temperature the molecules of Gypsum loses water molecules and became

CaSO4.1/2H2O , which is plaster of paris .

Answer 2

White powder formed when gypsum is heated at 373K...

CaSo4.1/2 .H2O + 1 1/2 H2O ==>

CaSo4.2H2O