Advertisements
Advertisements
Question
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
Advertisements
Solution
The consequence of having 1/5 oxygen and 4/5 nitrogen in air would have been that earth would not have supported this kind of live and there would have been no balance of air and no photosynthesis.
APPEARS IN
RELATED QUESTIONS
Fill in the blanks :
_______ and ______ are the most common air pollutants.
A fuel when used releases least amount of pollutants in the air.
State three uses of water vapour in the air.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
What is the percentage of nitrogen in air?
How do astronauts breathe when they go beyond the earth’s atmosphere?
Nitrogen is essential for burning.
The amount of water vapour in the air is more in windy places than in other areas.
______ is necessary for all acids.
Observe the picture given in Fig. carefully and answer the following questions.

Why is he putting a cover on his nose?
