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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
Write an equation to show the reaction between Plaster of Paris and water.
What is gypsum? What happens when gypsum is heated to 100°C (373 K)?
Name the compound which is used in hospitals for setting fractured bones.
What is plaster of Paris? Write the chemical formula of plaster of Paris.
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
Identify the compound X
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?
How are detergents manufactured?
At what temperature is gypsum heated to form Plaster of Paris?
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
A compound which is prepared from gypsum has the property of hardening when mixed with water. identify the compound and write its formula. How is this compound prepared? Describe it in the form of a chemical equation only.
