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प्रश्न
What are the two main ways in which common salt (sodium chloride) occurs in nature?
उत्तर
1. Common salt occurs naturally in sea water in the dissolved form
2. Common salt is found in underground deposits as rock salt.
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संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
The salt prepared by the method of direct combination is _______.
How is common salt obtained from sea-water?
What happens when a concentrated solution of sodium chloride (brine) is electrolysed? Write the equation of the reaction involved.
Which of the following salts will give an aqueous solution having pH of almost 7?
(a) NH4NO3
(b) NH4Cl
(c) CaCl2
(d) KCl
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
name two salts which are acidic.
Taking sodium carbonate as an example, give the meaning of the following terms: Water of crystallization.
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 carbonate and sodium sulphite.
