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प्रश्न
Name the following:
The active component of air which supports combustion and is used up in burning
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उत्तर
Oxygen
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.
What is nitrogen-fixation?
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
Name the following:
The product formed when phosphorus burns in oxygen.
List out the uses of carbon dioxide.
Inhaled air contains a large amount of carbon-di-oxide.
Write about the reaction of nitrogen with non metals.
Nitrogen is about two times more soluble in water than oxygen.
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
