Chemistry
Grade-6
Easy
Question
Which of the following air pollutant is not a secondary pollutant from the following?
- Smog
- Ozone
- Sulfur dioxide
- Nitrogen dioxide
Hint:
secondary pollutants are pollutants that form in the atmosphere.
The correct answer is: Sulfur dioxide
Sulfur dioxide is not a secondary pollutant.
Sulfur dioxide can create secondary pollutants once released into the air.
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