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प्रश्न
Write a balanced equation for the preparation of the following salts:
Copper sulphate from copper carbonate.
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उत्तर
\[\ce{CuCO3 + H2SO4 -> CuSO4 + H2O + CO2}\]
संबंधित प्रश्न
Write the names, formulae and colours of any two hydrated salts.
The products of chloro-alkali process are ______.
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
Taking sodium carbonate as an example, give the meaning of the following terms:
Anhydrous
Answer the following questions below, relating your answers only to salts in the following list:
Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, you can dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?
Distinguish by a chemical test sodium chloride and sodium sulphide.
The Salt Story
From: The New Indian Express 9 March 2021
The salt pans in Marakkanam, a port town about 120 km from Chennai are the third largest producer of salt in Tamil Nadu. Separation of salt from water is a laborious process and the salt obtained is used as raw materials for manufacture of various sodium compounds.
One such compound is Sodium hydrogen carbonate, used in baking, as an antacid and in soda acid fire extinguishers.
The table shows the mass of various compounds obtained when 1litre of sea water is evaporated.
| COMPOUND | FORMULA | MASS OF SOLID PRESENT /g |
| Sodium Chloride | NaCl | 28.0 |
| Magnesium Chloride | MgCl2 | 8.0 |
| Magnesium Sulphate | MgSO4 | 6.0 |
| Calcium Sulphate | CaSO4 | 2.0 |
| Calcium Carbonate | CaCO3 | 1.0 |
| TOTAL AMOUNT OF SALT OBTAINED | 45.0 | |
What is the pH of the acid which is used in the formation of common salt?
The acid reacts with a base to form a neutral product called ______.
How is normal salt obtained? Give a suitable reaction.
