Question

What is smog? Explain classical and photochemical smog.

Answer 1

Smog is a kind of air pollution, named after the mixture of smoke and fog in the air.

Classical smog is a mixture of sulfur dioxide and smoke of coal burning with fog.

Photo chemical smog is a precipitate in the reaction of the nitrogen oxide and other chemical compounds in Sunlight.

Answer 2

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Sulfurous smog results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal. Photochemical smog, which occurs most prominently in urban areas that. have large numbers of automobiles, requires neither smoke nor fog.