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प्रश्न
Air is made up of oxygen only.
विकल्प
True
False
उत्तर
Air is made up of oxygen only- False.
APPEARS IN
संबंधित प्रश्न
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.
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
State what would happen, if the air above the earth contained mainly oxygen and no nitrogen
Compare respiration and combustion-both involving oxygen of the air.
List out the uses of carbon dioxide.
The constituent of air that supports combustion is _____.
______ present in the air is needed for respiration.
What is the presence of harmful substance in the air called?
A ______ gas that is used to remove carbon impurities from the steel.
______ is used as a substitute for compressed air in tyres.
