Which compound is not included under the main list of criteria for air pollutants?
Correct answer: B. CO2
- A. NO2
- B. CO2
- C. O3
- D. SO2
Explanation
While carbon dioxide (CO2) is a major greenhouse gas and a significant factor in climate change, it is not regulated as a "criteria" air pollutant in the same way as pollutants like NO2, ground-level O3, and SO2, which have more direct, immediate health effects.
Last updated
About Environmental Chemistry
Atmospheric pollution includes smog, acid rain, greenhouse gases, ozone depletion and the effects of carbon monoxide, sulfur oxides, nitrogen oxides and particulate matter. Water pollution covers sewage, industrial waste, eutrophication and treatment stages, while green chemistry focuses on reducing hazardous substances, waste and energy use through safer, more efficient processes.
Practise Environmental Chemistry
221 free Environmental Chemistry MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.