Question

(a) What is plaster of Paris? Write the chemical formula of plaster of Paris.
(b) How is plaster of Parish prepared? Write chemical equation of the reaction involved.
(c) Explain why plaster of Paris should be stored in a moisture-proof container.
(d) State two important uses of plaster of Paris.

Answer 1

Explanation:

a. plaster of Paris is calcium hemi hydrate or CaSO4.1/2H20

b. it is prepared by hating gypsum in 100 degree celcius or 373 degree Kelvin

d. two use

#it is used for fractured bones in hospitals.

#it is used in decoration

# it is used in making toys