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प्रश्न
Explain what is smog. Give its effects.
उत्तर
Smog is a photochemical haze or smoky mist caused by the action of solar UV radiation on the atmosphere, which is polluted by primary pollutants. Secondary pollutants such as formaldehyde, aldehydes and peroxyacetyl nitrate(PAN) collectively form smog.
Effects of smog:
(i) It reduces visibility.
(ii) It is highly suffocating and toxic.
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संबंधित प्रश्न
Name the group of chemical compounds which damages the ozone layer.
What would happen if the ozone layer in the atmosphere completely disappears?
How Ozone is Formed?
Which class of carbon compounds is responsible for the depletion of ozone layer at the higher level of the atmosphere?
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
The depletion of the ozone layer is due to ______.
Is ozone depletion related to global warming?
True or False:
Ozone in the Troposphere is a harmful pollutant.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.