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प्रश्न
Draw a neat labelled diagram for the following experiment.
To prove that oxygen is non-combustible, but supports combustion.
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उत्तर
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संबंधित प्रश्न
Give two uses of the following component present in air:
water vapour
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
Describe a simple experiment with the help of a diagram to show that Air occupies space
How is light scattered by the air?
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
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 |
What should be done if the clothes of a person catch fire accidentally? Why?
The layer of air around the earth is known as ______.
Make sentences using the given set of words.
Air, wind, motion, called
