Question

Which type of solution is not filtrable through filter paper and parchment membrane both?

• A. True solution and colloidal sol
• B. Colloidal sol and suspension
• C. True solution and suspension
• D. Suspension only

Answer 1

Answer: (D)

Suspension only

Filter paper has the pore size of $11\times {10}^{-12}$ m.

Parchment paper Pore size $4.5\times {10}^{-13}$ m.

Colloidal solution particle size is ${10}^{-}5$ to ${10}^{-}2$ m.

True solution particle size is ${10}^{-}2$ m.

Suspension solution Size of particles usually larger than ${10}^{-12}$.

So it's cannot pass through Filter paper and Parchment paper both.