Question

preparation of POP and its uses (4marks)​

Answer 1

Answer:

• Plaster of Paris is prepared from gypsum. Gypsum is a calcium sulphate dehydrated CaSO4. 2H2O. Plaster of Paris (POP) is prepared by heating gypsum to a temperature of 100° C.
• We provide services like POP Art Design, Wall Ceiling POP Designs and other related services. We are a recognized entity, engaged in offering Plaster Of Paris Design .
• Plaster of paris is prepared by heating calcium sulfate dihydrate,

Answer 2

Answer:

Preparations:

When Gypsum is heated at 373 K temperature, it loses water molecules and form plaster of paris.

Plaster of paris is a hemihydrate of calcium sulphate.

plaster of paris is a white powder and on mixing it with water, it changes to hard solid mass gypsum.

Uses:

(1) In construction and in plastering the walls.

(2) In making cast in dentistry.

(3) In making idols.

(4) In making chalks for writing on the black board.

(5) In laboratory, it is applied as plaster for making the apparatus air tight.