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प्रश्न
Name a calcium compound which hardens on wetting with water.
उत्तर
Calcium sulphate hemihydrate, popularly known as plaster of Paris, is a calcium compound that hardens on wetting with water. Its formula is`CaSO_4. 1/2H_2O.`
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संबंधित प्रश्न
What is the commercial name of calcium sulphate hemihydrate?
What will happen if heating is not controlled while preparing plaster of Paris?
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.
Write the chemical equation for its preparation
A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.
The chemical formula for plaster of Paris is :
Explain the uses of plaster of paris.
______ is an important material in the construction industry.
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 |
