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प्रश्न
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
विकल्प
True
False
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उत्तर
This statement is False.
संबंधित प्रश्न
Give a reason why two different rare (inert) gases find application in advertisement signs and fluorescent bulbs.
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
Name the following:
An inert gas which has a low boiling point and is used for producing very low temperatures
______ is the active component of air.
What is the composition of air?
The composition of air changes slightly from place to place. Give examples.
______ is necessary for all acids.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
______ is used as a substitute for compressed air in tyres.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
