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प्रश्न
Make sentences using the given set of words.
Air, wind, motion, called
एक पंक्ति में उत्तर
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उत्तर
Air in motion is called wind.
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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 |
Discuss harmful effects of greenhouse effect.
Give two uses of the following component present in air:
water vapour
Name three greenhouse gases.
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
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
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
How is light scattered by the air?
State the meaning of the term atmosphere.
The composition of air is always exactly the same.
