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Question

Example of primary pollutant:

A
SO2
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B
CO2
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C
Hydrocarbon
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D
CO
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Solution

The correct options are
B CO
C Hydrocarbon
D SO2

Primary Pollutants are the ones which are injected into the atmosphere directly. Examples include:

  1. Carbon monoxide (CO)
  2. Oxides of nitrogen (NOx,NO )
  3. Sulfur oxides (SOx)
  4. Volatile organic compounds (VOCs)
  5. Particulate matter (dust, ash, salt particles)


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