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प्रश्न
Mention any four compounds and their uses.
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उत्तर
Compounds and their uses:
|
Common Name |
Chemical Name | Constituents | Uses |
| Water | Hydrogen Oxide | Hydrogen and oxygen | For drinking and as solvent |
| Table salt | Sodium chloride | Sodium and chlorine | Essential component of our daily diet, preservative for meat and fish. |
| Sugar | Sucrose | Carbon, hydrogen, and oxygen | Preparation of sweets, toffees, and fruit juices. |
|
Baking soda |
Sodium bicarbonate | Sodium, hydrogen, carbon, and oxygen | Fire extinguisher, preparation of baking powder, and preparation of cakes and bread. |
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संबंधित प्रश्न
Name the process by which the components of following mixtures can be separated.
- Iron and sulphur
- Ammonium chloride and sand
- Common salt from sea water
- Chaff and grain
- Water and mustard oil
- Sugar and water
Write true or false
The constituents of a mixture can only be separated by chemical means.
Define Compounds
Write the molecular formulae of compound calcium oxide.
Write the molecular formulae of compound hydrogen sulphide.
Write the molecular formulae of compound lead sulphide.
Select the correct answer from the choice given below.
A compound
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Sodium chloride is used as table salt and for flavoring and preserving food.
Name the compounds used in fertilizers.
