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प्रश्न
“Air is a mixture”. Support this statement citing at least three evidences.
उत्तर
“Air is a mixture” The following are in evidences which prove that air is a mixture.
- The composition of air varies from place to place and from time to time.
- The components of air retain their individual properties.
- Liquid air has no definite boiling point.
- No energy exchange occurs when the components of air are mixed with each other.
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संबंधित प्रश्न
Briefly state the importance of Nitrogen.
Give reason:
A burning candle stops burning if covered with a glass tumbler
Compare respiration and combustion-both involving oxygen of the air.
What happens if the percentage of oxygen in the air reaches to 70%?
Why do we see the sky and air clear and clean after rainfall?
Write the percentage of the gases present in air.
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Nitrogen is essential for burning.
Venus's atmosphere consists of roughly 96 – 97% of ______.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
