Question

When hit by light, what happens to a colloidal mixture?

(a) Absorbed

(b) Reflected

(c) Diffracted

(d) Passes through

The question was asked in examination.

The above asked question is from Surface Chemistry topic in division Surface Chemistry of Chemistry – Class 12

Answer 1

Correct choice is (c) Diffracted

The explanation is: When light strikes a colloidal mixture, it is reflected off the large particles and spreads out. It is so because the colloidal particles move rapidly and randomly. This is what happens when light hits a mixture.