# Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxiate is ≥ _____ percent? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxiate is ≥ _____ percent? Correct Answer: A. 84. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxiate is ≥ _____ percent?

Direct Answer & Quick Reference

The correct option is **A. 84**.

A. 84 **(Correct Answer)**

B. 88

C. 80

D. 92

✨ Explain with AI

Verified Key: A. 84
Solved by 3,460+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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