Question

A compound which prepared from gypsum has the property of hardening when mixture with water, identify the compound write the chemical equation for its preparation.

For what purpose is it used in the hospitals?

Answer 1

Plaster of paris.

It is used in hospitals for fixing fractures,supporting the bones in right position.

Equation: $CaS{O}_4.\frac{1}{2}{H}_{2}O+\frac{3}{2}{H}_{2}O\to CaS{O}_4.2H_{2}O$.