Advertisements
Advertisements
Question
Name a calcium compound which hardens on wetting with water.
Advertisements
Solution
Calcium sulphate hemihydrate (plaster of Paris)
APPEARS IN
RELATED QUESTIONS
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?
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.
Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
How is plaster of Paris prepared? Write a chemical equation of the reaction involved.
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
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?
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.
Match the Following:
| 1. | Antiseptic | a. | Plaster of paris |
| 2. | Making casts for statues | b. | Phenol |
| 3. | Ease stress and relaxes | c. | Gypsum |
| 4. | Fertilizers | d. | Epsum |
