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प्रश्न
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
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उत्तर
Nitrogen is utilised by plants for their growth and development. Free nitrogen of the air is converted to nitrogen compounds which are absorbed by the plants and converted to plant proteins. In the absence of nitrogen no plants will be survived on the earth.
संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
Give reason:
Aquatic animals and plants are able to survive in the matter.
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Tabulate the various components of air, including the components with variable composition.
Why is air considered as a mixture?
______ is the active component of air.
List out the uses of nitrogen.
What is the presence of harmful substance in the air called?
Tri oxygen molecule is known as ______.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
