Combustion is a chemical process where a substance reacts rapidly with oxygen to produce heat and light. For hydrocarbons like those in petrol and diesel, complete combustion (with sufficient oxygen) yields carbon dioxide (CO₂) and water (H₂O). However, when there is insufficient oxygen (incomplete combustion), carbon monoxide (CO) is produced instead of carbon dioxide, and sometimes even unburnt carbon particles (soot) are formed. Carbon monoxide is a toxic gas.
The incomplete burning of petrol and diesel produces
Asked in BPSC Prelims Exam 66th · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
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