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प्रश्न
What is the commercial name of calcium sulphate hemihydrate?
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उत्तर
The commercial name of calcium sulphate hemihydrate is plaster of Paris.
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संबंधित प्रश्न
Plaster of Paris should be stored in a moisture-proof container. Explain why?
Name a calcium compound which hardens on wetting with water.
The chemical formula of plaster of Paris is ______.
What will happen if heating is not controlled while preparing plaster of Paris?
Name the compound which is used in hospitals for setting fractured bones.
Name the raw material used for the preparation of plaster of Paris.
How is plaster of Paris prepared? Write a chemical equation of the reaction involved.
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?
How many molecules of water of crystallisation (per formula unit) are present in:
Gypsum
How are detergents manufactured?
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.
______ is used in making blackboard chalks.
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
