Advertisements
Advertisements
प्रश्न
Briefly state the importance of Nitrogen.
उत्तर
Nitrogen dilutes the activity of oxygen in air. Its compounds are very useful for the growth of plants.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Give two examples of modern fuels.
Give reason:
A burning candle stops burning if covered with a glass tumbler
What are the two necessary conditions for rusting of iron?
Name the following:
The component of air which is present more in industrial areas.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
Aerated water contains
How do astronauts breathe when they go beyond the earth’s atmosphere?
What is the composition of air?
