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प्रश्न
Plaster of Paris should be stored in a moisture-proof container. Explain why?
Explain why plaster of Paris should be stored in a moisture-proof container.
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उत्तर
The Plaster of Paris should be stored in a moisture-proof container, as it absorbs moisture and turns into a hard substance (gypsum), as shown in the following chemical equation.
\[\ce{\underset{Plaster of Paris}{CaSO4 * 1/2 H2O} + 3/2 H2O -> \underset{Gypsum}{CaSO4 * 2H2O}}\]
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.
What is gypsum?
Name the compound which is used in hospitals for setting fractured bones.
How is plaster of Paris prepared? Write a chemical equation of the reaction involved.
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
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.
Calcium sulphate hemihydrate is called as ______.
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
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.
