Which among the following is known as a Secondary Pollutant in th

Which among the following is known as a Secondary Pollutant in th
| Which among the following is known as a Secondary Pollutant in the atmosphere?

A. Ozone 

B. Sulfur dioxide

C. Nitrogen Oxides 

D. Carbon Monoxide 

Please scroll down to see the correct answer and solution guide.

Right Answer is: A

SOLUTION

  • A Primary Pollutant is a pollutant that emerges directly from any source whereas a secondary pollutant is formed when the primary pollutants react in the atmosphere. 
  • Ozone is an example of secondary pollutant since it is formed when nitrogen oxides and hydrocarbons combine in the presence of sunlight. 
  • Carbon monoxide is a primary pollutant. 

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