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5689. Which of the following pollutants, if present in atmosphere is detectable by its odour?

September 7, 2025 by Admin

CO

SO₂

NO₂

CO₂

✅ The correct answer is option B.

Categories Chemical Engineering, Engineering, Environmental Engineering MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Enviornmental Engineering MCQs

699. In sewers the gas generally found, is_________________?

701. The following is the physical characteristic of sewage___________________?

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