Multiple choice

Which of the following is an air pollutant generated by thermal power plants?

  1. Fly ash

  2. Smoke

  3. Carbon monoxide

  4. Nitrogen dioxide

  5. Lead
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A Correct answer
Explanation

The thermal power plants generate significantly large quantities of solid byproduct namely fly ash. Fly ash also known as flue-ash is one of the residues generated in combustion and comprises the fine particles that rise with the flue gases. The fine particles of fly ash reach the pulmonary region of the lungs and remain there for long periods of time where they behave like cumulative poisons.

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