Advertisements
Advertisements
प्रश्न
Describe two important uses of the following quicklime.
Advertisements
उत्तर
Uses of quick lime-
- It is used as a starting material for obtaining slaked lime.
- It is used in the manufacture of glass and cement.
संबंधित प्रश्न
Describe the importance of the limestone.
Describe the importance of the cement.
Dead burnt plaster is ______.
Suspension of slaked lime in water is known as ______.
Which of the following statements is true about Ca(OH)2?
Dehydration of hydrates of halides of calcium, barium and strontium i.e., CaCl26H2O, BaCl2.2H2O, SrCl2.2H2O, can be achieved by heating. These become wet on keeping in air. Which of the following statements is correct about these halides?
Match the elements given in Column I with the properties mentioned in Column II.
| Column I | Column II |
| (i) Li | (a) Insoluble sulphate |
| (ii) Na | (b) Strongest monoacidic base |
| (iii) Ca | (c) Most negative EΘ value among alkali metals. |
| (iv) Ba | (d) Insoluble oxalate |
| (e) 6s2 outer electronic configuration |
A substance absorbs \[\ce{CO2}\] and violently reacts with water. That substance is ______.
Initial setting of cement is mainly due to ______.
What are the products formed in sequence when excess of CO2 is passed in slaked lime?
The conversion of hydroxyapatite occurs due to presence of p - ions in water. The correct formula of hydroxyapatite is ______.
The commercial name for calcium oxide is ______.
In curing cement plasters, water is sprinkled from time to time. This helps in ______.
Which of the following on thermal decomposition yields a basic as well as acidic oxide?
The substance not likely to contain CaCO3 is ______.
