Plaster of Paris is prepared by heating which of the following compounds?
Limestone
Lime
Soda ash
Gypsum
Plaster of Paris is prepared by heating gypsum at 373 K.
Plaster of Paris is prepared by heating one of the following to a temperature of 100o C. This is :
(a) CaSO32H2O
(b) CaCl22H2O
(c) CaCO3.2H2O
(d) CaSO4.2H2O
(a) What is plaster of Paris? Write the chemical formula of plaster of Paris.
(b) How is plaster of Paris prepared? Write the 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.