Chemistry · Environmental Pollution

Which of the following groups of major harmful pollutants is produced by a combustion engine?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1CO2 + HC + H2O
2CO + HC + NOx✓
3NOx + CO2 + Pb
4Pb + CO2 + NOx

Correct answer

CO + HC + NOx

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Which of the following groups of major harmful pollutants is produced by a combustion engine?

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