Enlist constituents of Plaster of Paris and state the two uses of Plaster of Paris
The constituents of POP are
It consists of calcium sulphate. It is chemically CaSO4. 1/2 H2O. It is obtained by calcining gypsum at 120 deg. C. by removing ¾ of water of crystallization.
Uses:
a) Used for making interiors for beautification, formation of columns
b) Manufacturing of black board chalk
c) Making casts of statues
d) For surgical equipment and toys
e) In dentistry it is used for dentures, metal filling
f) Used by orthopedic surgeon for setting bones
g) Used for wall plasters, wall boards, structural tiles.