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​please answer
​please answer Question 20 of 90 The basic principle of Cottrell's precipitator is 2. 4. O O O Le-Chatelier's principle peptisation neutralisation of charge on colloidal particles scattering of light

Dear student

The correct option is 3.

Please refer to the similar link given below:

https://www.meritnation.com/ask-answer/question/cottrell-precipitator-acts-on-which-principle/chemistry/7990665


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