TLV of NO2 & NO exposure for the human being is 5 & 25 pp... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

Correct answer: B

Explanation

NO2 is a respiratory irritant. Prolonged exposure mainly affects the airways, leading to inflammation like bronchitis.

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