Advertisements
Advertisements
Question
Briefly state the importance of Nitrogen.
Solution
Nitrogen dilutes the activity of oxygen in air. Its compounds are very useful for the growth of plants.
APPEARS IN
RELATED QUESTIONS
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
State three uses of water vapour in the air.
Tick (√) the most appropriate answer.
The humans pollute the air by :
Name and briefly explain four ways by which pollution of air is caused by humans.
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
How will you prove that soil contains air in it?
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Explain carbon dioxide and its uses.
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.
(i) Bubbles of air came out from the bottle.
(ii) Some water entered the bottle.
(iii) Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
(iv) No bubbles formed, only water entered the bottle.
Which observations is/are correct?