Which of the following pollutant gases is not produced directly in a combustion engine? A)CO B)CO₂ C)O₃ D)NO E)NO₂

Name: Which of the following pollutant gases is not produced directly in a combustion engine? A)CO B)CO 2 C)O 3 D)NO E)NO 2
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Question

Quizplus · Accepted Answer

O₃ is not produced directly in a combustion engine. It is a secondary pollutant that is formed in the atmosphere through the reaction of NO and NO₂ with other pollutants in the presence of sunlight.

Which of the Following Pollutant Gases Is Not Produced Directly