OPSC OAS Paper 1 GS 2022 Solved Paper
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Question : 32 of 100
Marks:
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Consider the following statements:
(i) Coal ash contains arsenic, lead, and mercury.
(ii) Coal-fired power plants release sulfur dioxide and oxides of nitrogen into the environment.
(iii) High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
(i) Coal ash contains arsenic, lead, and mercury.
(ii) Coal-fired power plants release sulfur dioxide and oxides of nitrogen into the environment.
(iii) High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
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