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प्रश्न
What is smog? State its damaging effects.
उत्तर
A combination of oxides of nitrogen and sulphur, partially oxidised hydrocarbons and their derivatives produced by industries and automobiles form dark, thick dust and soot-laden fog known as smog.
Damaging effect: Smog is noxious and irritating. It reduces visibility, induces respiratory troubles and can cause death by suffocation.
Photochemical smog: Damages the tissues of certain plants and even decreases the yield of citrus fruits and grapes.
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संबंधित प्रश्न
Name the compounds of sulphur that cause air pollution. Also, state the harmful effects of sulphur compounds.
State the sources and effects of the following gas:
Carbon dioxide
State the sources and effects of the following gas:
Methane
State the sources and effects of the following gas:
Water vapor
Explain the formation of ozone in the atmosphere.
State an advantage of CNG (Compressed Natural Gas).
State how CFC breaks the ozone layer.
Fill in the blank:
The ozone layer prevents the harmful ________ radiation of the sun to reach the earth.
What is the effect of the following pollutants on living beings?
Nitrogen oxide
Give reason for the following:
Natural rain water does not have a pH of 7 [i.e. neutral]
