12th Class Chemistry Surface Chemistry / सतह रसायन

  • question_answer 108)
            Assertion (A) An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles. Reason (R) Pore size of the filter paper becomes more than the size of colloidal particle.

    Answer:

                      (c) Assertion is correct, but reason is wrong. An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles because pore size of the filter paper becomes smaller than the size of colloidal particles.


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