Tolerable limit of nitrogen oxides in air is ____________... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Tolerable limit of nitrogen oxides in air is _____________ ppm?

Correct answer: C

Explanation

The permissible limit for nitrogen oxides (NOx) in air is often set at 5 ppm according to certain standards.

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