Question

A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
(a) Identify the compound X ,
(b) Write the chemical equation for its preparation
(c) For what purpose is it used in hospitals ?

Lakhmir Singh Chemistry Class 10

Answer 1

A. It is plaster of Paris with formula CaSO4.1/2 H2O.

B. CaSO4. 2H20+448K heat-----CaSO4.1/2 H2O.

C. It is used for joining broken bones.

Hope it helps...!!