NEET2014BotanyEnvironmental IssuesActual
A scrubber in the exhaust of a chemical industrial plant removes:
Options
- AGases like sulphur dioxide
- BParticulate matter of the size 5 micrometer or above
- CGases like ozone and methane
- DParticulate matter of the size 2.5 micrometer or less
Correct answer
A. Gases like sulphur dioxide
Step-by-step 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.