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प्रश्न
What is gypsum?
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उत्तर
Gypsum is calcium sulphate dihydrate, CaSO4.2H2O. That is, gypsum is calcium sulphate containing 2 molecules of water of crystallisation.
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संबंधित प्रश्न
Name the product obtained when Plaster of Paris is mixed with water. State the use of the product. Give two uses of POP.
Write an equation to show the reaction between plaster of Paris and water.
Name a calcium compound which hardens on wetting with water.
The chemical formula of plaster of Paris is ______.
Name the compound which is used in hospitals for setting fractured bones.
State two important uses of plaster of Paris.
Plaster of Paris is prepared by heating one of the following to a temperature of 100°C. This is:
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.
- Write the chemical equation for its preparation.
- For what purpose is it used in hospitals?
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
Write the chemical equation for its preparation
How many molecules of water of crystallisation (per formula unit) are present in:
Gypsum
The chemical formula for plaster of Paris is:
How many water molecules does hydrated calcium sulphate contain?
______ is an important material in the construction industry.
Calcium sulphate hemihydrate is called as ______.
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
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.
