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प्रश्न
Name three greenhouse gases.
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उत्तर
Carbon dioxide, methane, nitrous oxide, etc.
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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 |
Give two uses of the following component present in air:
nitrogen
Give two uses of the following component present in air:
water vapour
Name two air pollutants which cause global warming.
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
Air consists of
The capacity of air to hold moisture depends upon the ______ of the air.
Name the important scientists and their studies which led to the discovery of the components of air.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Air is a ______ of some gases.
