Q: Which of the following are some important pollutants released by steel industry in India?
a) Oxides of sulphur
b) Oxides of nitrogen
c) Carbon monoxide
d) Carbon dioxide
The Correct Answer is 1, 2, 3 and 4.
- Air pollutants are released from steel industries in India, which includes gaseous substances such as oxides of sulphur, oxides of nitrogen (mainly NO2 and NO), oxides of carbon (CO2 and CO).
- In steel furnace, coke reacts with iron ore, releasing iron along with the generation of oxides of sulphur, nitrogen and carbon.
- Hence, Statement 1, 2, 3 and 4 are correct.
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