Advertisements
Advertisements
प्रश्न
What is gypsum? What happens when gypsum is heated to 100°C (373 K)?
उत्तर
Gypsum is calcium sulphate dihydrate (CaSO4.2H2O). When 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).
APPEARS IN
संबंधित प्रश्न
Name a calcium compound which hardens on wetting with water.
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?
A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.
How many molecules of water of crystallisation (per formula unit) are present in:
gypsum?
At what temperature is gypsum heated to form Plaster of Paris?
How many water molecules does hydrated calcium sulphate contain?
______ is an important material in the construction industry.
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.
