Column A
Nitrogen
Oxygen
Carbon dioxide
Argon
Mixture of many gases
Most abundant gas in the air
Survival of human beings and animals
Photosynthesis
Used in light bulbs
B. Observe the given pictures and identify the properties of air.
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Answer:
- Nitrogen = Most abundant gas in the air
- Oxygen = survival of human beings & animals
- Carbon dioxide = photosynthesis
- Argon = mixture of many gases ..............
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