Question

identify the compound of the calcium which is used to plastering on fractured bones .with the help of equation show how it is prepared and what precaution should be taken during the preparation

Answer 1

Calcium oxychloride ( caocl2)

Answer 2

Answer:

Chemical formula of Plaster of Paris.

CaSO₄. 1/2 H₂O

Preparation :

On heating Gypsum at 373 K Plaster of Paris is formed.

CaSO₄. 2 H₂O    ⇒ CaSO₄. 1/2 H₂O + 3/2 H₂O

Special precaution :

We shouldn't heat gypsum above 373 K else it will not form.