Which of the following are some important pollutants released by steel industry in India ?
1. Oxides of sulphur
2. Oxides of nitrogen
3. Carbon monoxide
4. Carbon dioxide
Select the correct answer using the code given below :
-
A.
1, 3 and 4 only
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B.
2 and 3 only
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C.
1 and 4 only
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D.
1,2,3 and 4
Correct Answer:
D. 1,2,3 and 4
Explanation:
In steel furnaces, iron is produced through the reaction of iron ore with coke, which emits carbon monoxide and carbon dioxide. The combustion of coal also leads to the release of sulfur oxides and nitrogen oxides, making all the listed environmental impacts applicable.
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