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BITSAT 2009
Exam
BITSAT
Year
2009
Subject
Chemistry
Chapter
Environmental Chemistry

BITSAT 2009 · Chemistry · Environmental Chemistry

The statement which is not correct about control of particulate...

The statement which is not correct about control of particulate pollution is:

Options

  1. AIn electrostatic precipitator, the particulates are made to acquire positive charge which are then attracted by the negative electrode and removed.
  2. BGravity settling chamber removes larger particles from the air.
  3. CCyclone collector removes fine particls in the diameter range 5−205-20 microns.
  4. DWet scrubbers are used to wash away all types of particulates.

Correct answer

A. In electrostatic precipitator, the particulates are made to acquire positive charge which are then attracted by the negative electrode and removed.

Step-by-step solution

Particulates acquire negative charge and are attracted by the positive electrode.
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