Environment & Ecology · Environmental Science
Which of the following air pollutants are directly produced during primary combustion processes? (A) Nitric oxide (B) Nitrogen dioxide (C) Nitrous oxide (D) Carbon monoxide (E) Ozone
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A), (B) and (D) only✓
- 2(B), (D) and (E) only
- 3(A), (C) and (D) only
- 4(A) and (C) only
Correct answer
(A), (B) and (D) only
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