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प्रश्न
Complete the statement given below by filling in the blank with the correct word from the words given
___________is an example of a pollutant present in the air.
विकल्प
carbon dioxide
stratosphere
nitrogen dioxide
water vapour
hydrogen sulphide
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उत्तर
Hydrogen sulphide is an example of a pollutant present in 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.
Complete and balance the following chemical equation.
CaO + H2O → ____________
Briefly state the importance of Nitrogen.
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
Mention one necessary condition for the combustion to take place.
Why is carbon-dioxide gas used to extinguish fire?
______ is the percentage of nitrogen in air.
Can you guess why fire extinguishers throw a stream of carbon-di-oxide while putting - off the fire?
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
