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प्रश्न
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
विकल्प
True
False
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उत्तर
False
Correct Statement: The major component of air is nitrogen.
APPEARS IN
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
What is nitrogen-fixation?
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Name three different appliances where air is utilized.
What happens if the percentage of oxygen in the air reaches to 70%?
Whales come up to the water surface to breathe in oxygen.
The component of air used by green plants to make their food, is ______.
______ is responsible for making clouds.
Write the reaction of carbon dioxide with lime water.
