UPSC Prelims Test
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PYQ Drill · 2020
Paper-style drilling with PYQs
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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
(A)
1 only
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B
(B)
2 and 3 only
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C
(C)
3 only
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D
(D)
1, 2 and 3
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