Q44 / 180 · NEET 2014 · Botany

A scrubber in the exhaust of a chemical industrial plant removes:

  • Correct answer
    A
    Gases like sulphur dioxide
  • B
    Particulate matter of the size 5 micrometer or above
  • C
    Gases like ozone and methane
  • D
    Particulate matter of the size 2.5 micrometer or less

Solution

A scrubber can remove gases like sulphur dioxide. In a scrubber, the exhaust is passed through a spray of water or lime. Sulphur dioxide is a major pollutant of chemical industrial plants and the dry scrubbing method is mainly used to remove this pollution.

Hence, the correct answer is option: 'A'.

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