Advertisements
Advertisements
Question
______ is the percentage of nitrogen in air.
Options
78%
21%
0.03%
1%
Solution
78% is the percentage of nitrogen in air.
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.
What are the causes of air pollution?
State three uses of water vapour in the air.
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Briefly state the importance of Nitrogen.
Write fully balanced equation for the following :
CO2 + H2O →
What are the main components of air?
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
Nitrogen is _______ than air.
List out the uses of nitrogen.
