UPSC PRELIMS · GEOGRAPHY · ENVIRONMENT — COAL POLLUTION
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?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
Coal ash can contain toxic heavy metals, coal combustion emits sulphur and nitrogen oxides, and Indian coal is generally high in ash.
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