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

  • Option 1)

    gases like suplhur dioxide

  • Option 2)

    particulate matter of the size 5 micrometer or above

  • Option 3)

    gases like ozone and methane

  • Option 4)

    particulate matter of the size 2.5 micrometer or less

 

Answers (1)

 

Control of air pollution -

The emission of exhaust from automobiles can be reduced by devices such as positive crankcase ventilation valve and catalytic converter.

Electrostatic precipitators can reduce smoke and dust from industries.

- wherein

Gaseous pollutants arising from industries can be removed by differential solubility of gases in water.

A finepray of water in the device called scrubber can separate many gases like NH3, SO2, etc. from the emitted exhaust.

 

 


Option 1)

gases like suplhur dioxide

This option is correct.

Option 2)

particulate matter of the size 5 micrometer or above

This option is incorrect.

Option 3)

gases like ozone and methane

This option is incorrect.

Option 4)

particulate matter of the size 2.5 micrometer or less

This option is incorrect.

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