Advertisements
Advertisements
प्रश्न
Name a calcium compound which hardens on wetting with water.
Advertisements
उत्तर
Calcium sulphate hemihydrate (plaster of Paris)
APPEARS IN
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.
What is the commercial name of calcium sulphate hemihydrate?
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.
What is plaster of Paris?
State two important uses 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.
Write the chemical equation for its preparation
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.
______ is used in making blackboard chalks.
Calcium sulphate hemihydrate is called as ______.
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
