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प्रश्न
Give the example of a compound containing nitrogen and oxygen.
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उत्तर
Example of Atoms of a different element forming a compound
Nitrogen dioxide, 1 atom of nitrogen 2 atom of O = NO2
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
What are the different types of mixtures ?
The methods of separating components of a given mixture are based on the
Name the elements present in Ammonia
What is the proportion of element present in the following compound?
H2O
What is the proportion of element present in the following compound?
CO2
State the information obtained from the formula of a compound.
Write the molecular formulae of compound calcium oxide.
Explain the term compounds.
Give the example of a compound containing carbon and oxygen.
What is the molecular formula of the following compound?
Hydrochloric acid
What is the molecular formula of the following compound?
Methane
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
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 |
Sodium chloride is used as table salt and for flavoring and preserving food.
Which of the following are not compounds?
- Chlorine gas
- Potassium chloride
- Iron
- Iron sulphide
- Aluminium
- Iodine
- Carbon
- Carbon monoxide
- Sulphur powder
A compound has a definite ______.
A compound has a fixed ______.
