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प्रश्न
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
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उत्तर
`MgSO_3 + 2HCl -> MgCl_2 + H_2O + SO_2`
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संबंधित प्रश्न
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
(a) blue litmus red?
Write the name and formula of one salt each which contains:
five molecules of water of crystallisation
Give four substances which contain water of crystallization and write their common name.
Taking sodium carbonate as an example, give the meaning of the following terms:
Anhydrous
Sodium carbonate is a basic salt because it is a salt of a ____________.
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?
One of the constituents of baking powder is sodium hydrogencarbonate. The other constituent is :
How is normal salt obtained? Give a suitable reaction.
