Multiple choice general knowledge

3] Diesel exhaust is the main source of three highly toxic pollutants that have a widespread impact on the urban air quality and human health. Name them

  1. SPM, Sulphur dioxide and Nitrogen oxides (NOx)

  2. Suspended particulate matter (SPM), benzene

  3. Sulphur dioxide, Ammonia, Benzene

  4. Lead, NOx, CO2
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B Correct answer

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