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प्रश्न
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
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उत्तर
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संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
How is greenhouse effect produced?
What do you observe when Carbon dioxide gas is passed through lime water.
Give two uses of the following component present in air:
oxygen
State two similarities and two differences between respiration and burning.
Name two air pollutants which affect our health.
Name three greenhouse gases.
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
Match the statements in List I with the correct answer from List II.
| List I | List II |
| 1. The constituent of air which is around 0.02% | A: Nitrogen |
| 2. The constituent of air which is inert or unreactive | B: Oxygen |
| 3. The constituent of air which is non-combustible, but supports combustion. |
C: Sulphur dioxide |
| 4. A pollutant in air responsible for acid rain | D: Carbon dioxide |
| 5. The main rare gas present in air. | E: Argon |
About 78% of the volume of air is ______.
