Assertion (A) An ordinary filter paper i...

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.

Assertion and reason both are correct and the reason is correct explanation of assertion.

Assertion and reason both are correct but reason does not expolain assertion.

Assertion is correct but reason is incorrect.

Both assertion and reason are incorrect.

Verified by Experts

The correct Answer is:

Correct Reason. Pore size of the filter paper becomes smiller than the size of the colloidal particles.

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Size of colloidal particles is

`0.1 m mu` to `0.001 m mu`

`10 mu` to `20 mu`

`0.05 m mu` to `0.1 m mu`

`25 mu` to `30 mu`

`gt 0.1 mu`

`1 m mu " to "0.1 mu`

`lt 0.1 mu`

more than `3000 m mu`

`10^(-7)-10^(-9)`cm

`10^(-9)-10^(-11)`cm

`10^(-5)-10^(-7)`cm

`10^(-2)-10^(-3)`cm