Question

2 Identify the compound of calcium which is
used for plastung of fractured bones with the
help of chemical equation show has is prepared
what precautions Should be taken during the
preparation of this compound?
​

Answer 1

Answer:

1) THE SUBSTANCE IS -PLASTER OF PARIS OR ( P.O.P. )

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.