Question

What is plaster of Paris? How it is prepared? Write uses of it

Answer 1

Answer:

PLASTER OF PARIS IS A WHITE COLOURED COMPOUND WHICH TURNS HARD WHEN MIXED WITH WATER.

Explanation:

• THE FORMULA FOR THIS IS:-CaSO4.1/2H2O.
• It is prepared by heating gypsum (CaSO4.2H2O) at 100 degrees Celsius.
• If gypsum is heated at more than 100 degrees Celsius then it will form dead plaster.

Uses of PLASTER OF PARIS are-

1. Used to set fractures by doctors.
2. Used to make statues.
3. Design walls of houses.

Reaction..

CaSO4. 2H2O -- at 100 degrees Celsius-- CaSO4. 1/2H2O + 3/2H2O.

Hope it helps.....