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प्रश्न
When the concentrated aqueous solution of substance X is electrolysed, then NaOH, Cl2 and H2 are produced. Name the substance X. What is the special name of this process?
उत्तर
Substance X, which gives sodium hydroxide, Cl2 and H2 upon electrolysis, is NaCl. The electrolysis of sodium chloride solution is called the chlor-alkali process because of the products formed, 'chlor' for chlorine and 'alkali' for sodium hydroxide (NaOH).
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संबंधित प्रश्न
What are the two main ways in which common salt (sodium chloride) occurs in nature?
Why is sodium chloride required in our body?
What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
(a) potassium sulphate
(b) sodium sulphate
(c) sodium chloride
(d) potassium carbonate
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
(a) blue litmus red?
name two salts which are neutral, when dissolved in water.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Copy and complete the following table which refers to the action of heat on the carbonate:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate |
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
Sodium carbonate is a basic salt because it is a salt of a ____________.
