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प्रश्न
Name the salt which is used as a preservative in pickles, and in curing meat and fish.
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उत्तर
Sodium chloride (NaCl)
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संबंधित प्रश्न
The salt prepared by the method of direct combination is _______.
What are the two main ways in which common salt (sodium chloride) occurs in nature?
How is common salt obtained from sea-water?
Name three chemicals made from common salt (or sodium chloride).
Common salt is obtained from sea-water by the process of ______.
What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.
Write the names, formulae and colours of any two hydrated salts.
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What is a ‘salt’?
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.
Name a colourless gas which bleaches.
Copy and complete the following table which refers to the action of heat on some carbonates:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate | |
| Lead carbonate | |
| Copper carbonate |
Distinguish by a chemical test sodium chloride and sodium sulphide.
Write any five uses of salts.
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
The acid reacts with a base to form a neutral product called ______.
Salt is ______ in nature.
What are hygroscopic substances?
