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प्रश्न
Plaster of Paris is prepared by heating one of the following to a temperature of 100°C. This is:
(a) CaSO3.2H2O
(b) CaCl2.2H2O
(c) CaCO3.2H2O
(d) CaSO4.2H2O
उत्तर
CaSO4.2H2O
When CaSO4.2H2O (gypsum) is heated to a temperature of 100⁰C (373K), it loses three-fourths of its water of crystallisation and forms plaster of Paris (CaSO4.1/2H2O).
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संबंधित प्रश्न
What will happen if heating is not controlled while preparing plaster of Paris?
Name the raw material used for the preparation of plaster of Paris.
What is plaster of Paris? Write the chemical formula of plaster of Paris.
How is plaster of Parish prepared? Write chemical equation of the reaction involved.
State two important use of plaster of Paris.
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound represents plaster of Paris?
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
For what purpose is it used in hospitals?
The chemical formula for plaster of Paris is :
Explain the uses of plaster of paris.
At what temperature is gypsum heated to form Plaster of Paris?
