The basic principle of Cottrell’s precipitator is

The basic principle of Cottrell's precipitator is

  1. A

    Neutralisation of charge on colloidal particles 

  2. B

    Scattering of light

  3. C

    Le-chatelier's principle

  4. D

    Peptization(20000 to 70000 V)

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    Solution:

    In Cottrell smoke precipitator, the smoke is allowed to pass through a chamber having a series of plates charged to very high potential  (20000 to 70000 V )  Charged particles of smoke get attracted by charged plates and the gases coming out of chimney precipitated .become free of charged particles.

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