Question

Identify the compound of calcium which is used for plastering of fractured bones. With the help of chemicals equation show how is it prepared and what special precautions should be taken during the preparation of this compound

Answer 1

pop plaster of Paris

caso4.2h2o>caso4.½h2o

gypsum heated at 373 k to form pop

Answer 2

Caso4•1/2H2O( calcium sulphate semihydrate) is used for plastering of fractured bones. It's commonly known as plaster of Paris.

Caso4•2H2O when heated we get plaster of Paris(Caso4•1/2H2O) and3/2 molecules of water.