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प्रश्न
______ is the active component of air.
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उत्तर
Oxygen is the active component of air.
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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.
Name and briefly explain four ways by which pollution of air is caused by humans.
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Sulphur dioxide gas dissolves in water to form ___________ acid.
Fill in the blank
The supporter of combustion in air is _____.
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 oxygen in air?
Why do we see the sky and air clear and clean after rainfall?
______ gas is given to the patients having breathing problems.
_____ gas turns lime water milky.
What is the composition of air?
