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प्रश्न
Write a note on nitrogen.
थोडक्यात उत्तर
उत्तर
- The amount of nitrogen present in the air is about 78%
- It is used to fill up food packages to extend their shelf life.
- Liquid nitrogen is used to store living cells.
- Plants need nitrogen for their growth.
- We can see root nodules containing nitrogen in some plants.
- Nowadays people use nitrogen gas to fill the tires of their vehicles.
- Some compounds of nitrogen are used as explosives also.
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