Select the major air pollutant:
Correct answer: D. All are correct
- A. CO
- B. Mist
- C. Hydrogen sulphide
- D. All are correct
Explanation
Air pollution is caused by a variety of substances. Carbon monoxide (CO) is a major gaseous pollutant, while mist is a particulate pollutant. Hydrogen sulphide is another toxic gas. All of these contribute to air pollution.
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.