Which of the following are some important pollutants released by steel industry in India ?
1. Oxides of sulphur
2. Oxide of nitrogen
3. Carbon monoxide
4. Carbon dioxide
Select the correct answer using the code given below.
This questions was previously asked in
UPSC CSP Previous Year Paper (2014)
1, 3 and 4 only
Incorrect Answer2 and 3 only
Incorrect Answer1 and 4 only
Incorrect Answer1, 2, 3 and 4
Correct AnswerExplanation:
In steel furnace coke reacts with iron to release pollutants like Oxides of sulphur, Oxides of nitrogen, Carbon monoxide & Carbon dioxide.Cyanides, fluorides, lead, zinc and dust particles compounds emanating from blast furnaces can find their way into cooling and cleaning waters because of direct contact with gases. Casting, scale, lubricating oils and hydraulic fluids can also contaminate the water.
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By: Abhipedia