Question

when ink overflows From a fountain pen, we use blootting paper to remove excess ink on the paper .why?

Answer 1

We use a blotting paper to remove the excess ink on the paper because in the case blotting paper does adsorption in which only the surface of the material absorbs the liquid so it removes the excess ink from the paper

Answer 2

Bloting paper is a absorbent type of paper made up of number of pores on its surface.

When a drop of ink falls on its surface, ink spreads on the liquid due to capillary action .

Hence, When ink overflows From a fountain pen, we use blootting paper to remove excess ink on the paper