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प्रश्न
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is known to form the largest number of compounds.
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उत्तर
Carbon
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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
The methods of separating components of a given mixture are based on the
What is the proportion of element present in the following compound?
NO2
What is the molecular formula of the following compound?
Hydrochloric acid
What is the molecular formula of the following compound?
Sulphuric acid
What is the molecular formula of the following compound?
Methane
Explain the difference between Mixture and compounds.
Explain the characteristics of compounds
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
A compound has a definite ______.
