Attempt this previous-year question. The correct option stays hidden until you choose.
Consider the following statements:
1. Coal ash contains arsenic, lead and mercury.
2. Coal-fired power plants release Sulphur dioxide and oxides of nitrogen into the environment.
3. High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
Pick an option to check yourself.
• Correct Answer: D
• Coal ash contains toxic heavy metals including arsenic, lead, and mercury; coal combustion releases SO2 and NOx; Indian coal has high ash content (25–45%) due to drift theory of formation.
• All three statements are factually correct.
• All statements are correct.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
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