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A scrubber in the exhaust of a chemical industrial plant removes:
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
Detailed Solution
A scrubber removes gases like sulphur dioxide: the exhaust is passed through a spray of water or lime.
Particulate matter is removed by electrostatic precipitators.
Particulate matter is removed by electrostatic precipitators.