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 giv

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Q: (IAS/2020)
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 ?
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question_subject: 

Ecology

question_exam: 

IAS

stats: 

0,197,74,18,51,5,197

keywords: 

{'coal ash': [0, 0, 0, 1], 'high ash content': [0, 0, 0, 2], 'coal': [0, 1, 2, 0], 'indian coal': [0, 0, 0, 1], 'power plants release sulphur dioxide': [0, 0, 0, 1], 'mercury': [0, 0, 2, 2], 'oxides': [0, 0, 3, 11], 'nitrogen': [1, 1, 0, 2], 'environment': [2, 0, 0, 3]}