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प्रश्न
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
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उत्तर
Symbiotic bacteria.
संबंधित प्रश्न
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Tick (√ ) the most appropriate answer.
Magnesium burns with a dazzling white flame to form magnesium oxide, a powdery mass. The colour of magnesium oxide is :
Fill in the blank
The supporter of combustion in air is _____.
Name the following:
The component of air which is present more in industrial areas.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Give word equation for the following conversion:
Nitrogen of the air to nitric oxide
State four different properties of a compound and a mixture.
Why is carbon-dioxide gas used to extinguish fire?
_______ can be seen moving in a beam of sunlight in a dark room.
______ is the main component of air.
