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?
A.1, 2 and 3✓ Correct
B.3 only
C.2 and 3 only
D.1 only
Explanation
Coal ash contains toxic heavy metals like arsenic, lead and mercury; coal combustion releases SO2 and NOx; and Indian coal is notably high in ash content (35-45%). All three statements are correct.
💡 Practice unlimited UPSC CSE PYQs + AI-tracked progress on each topic. Sign up free →