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प्रश्न
State whether the following statement is true or false.
The pressure exerted by air is called atmospheric pressure.
विकल्प
True
False
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उत्तर
This statement is True.
संबंधित प्रश्न
Match the following :
| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
Name two important processes supported by oxygen present in air.
Mention five causes of air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
State what do you understand by the term ‘air’. Explain its importance to mankind.
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
State the meaning of the term Air
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Draw a neat labelled diagram for the following experiment.
To demonstrate the burning of sulphur in a jar of oxygen.
What should be done if the clothes of a person catch fire accidentally? Why?
