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5756. Main pollutant present in automobile exhaust is

September 7, 2025 by Admin

CO

CO₂

NO

Hydrocarbons

✅ The correct answer is option A.

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

709. Pathogens (or pathogenic bacterias) in water may cause___________________?

711. Capillary action is due to the__________________?

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