Moderate
Main pollutants released from petroleum refineries is__________________?
Correct answer: A. CO, SO2 & H2S
- A. CO, SO2 & H2S
- B. CO2, NO & SO3
- C. CO2, H2S & NO2
- D. SO3, NO2 & CO2
Explanation
Petroleum-refinery emissions commonly include carbon monoxide from incomplete combustion, sulphur dioxide from burning sulphur compounds, and hydrogen sulphide from sour streams. This combination matches option A.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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