Question

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

Answer 1

Here is the answer to this question

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.