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Question
The chemical formula for plaster of Paris is :
Options
CaSO4. 2H2O
CaSO4. H2O
\[\ce{CaSo4.1/2H2O}\]
2CaSO4. H2O
Solution
The chemical formula of plaster of Paris is
\[\ce{CaSo4.1/2H2O}\]
RELATED QUESTIONS
Name a calcium compound which hardens on wetting with water.
Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
Which compound represents plaster of Paris?
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
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 water molecules does hydrated calcium sulphate contain?
______ 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 |
Analogy:
Blackboard chalks: ______:: Plant growth: Epsum.
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
