Given below are two statements: Statements I: In a scrubber…

Biology Biology and Human Welfare Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

Given below are two statements:

Statements I:

In a scrubber the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.

Statement II:

Particulate matter (PM 2.5) cannot be removed by scrubber but can be removed by an electrostatic precipitator.

In the light of the above statements, choose the most appropriate answer from the options given below:

Both Statement I and Statement II are correct

Both Statement 1 and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Text Solution

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The correct answer is:

Scrubber is used by the industries which produce SO 2 as a by-product. The limestone present in slurry of scrubber remove SO 2 from the exhaust. Electrostatic precipitator is the most effective device to remove 99% of particulate matter, 'even PM 2,5' present in the exhaust.

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