Question

Colloid solution appears to be homogeneous but actually it is hetrogeneous comment?

Answer 1

In sooth, it appears to be but it isn't when seen with the help of a microscope..... Colloidal particles can't be seen with a naked eye

Answer 2

Due to the relatively smaller size of particles as compared to that of a suspension, the mixture appears to be homogeneous but actually a colloidial solution is a heterogeneous mixture.
for example-milk.