Question

what type of mixture scatters light and cannot be filtered easily?
a colloid, a heterogeneous mixture
a solution, a heterogeneous mixture
a colloid, a homogeneous mixture
a solution, a homogeneous mixture

Explanation:

Colloids are heterogeneous mixtures that can scatter light (Tyndall effect) and are difficult to filter due to the intermediate - sized particles. Solutions are homogeneous mixtures and do not scatter light in the same way as colloids.

Answer:

A. a colloid, a heterogeneous mixture