Question

Abhay collected a sample of clear water from a bows
stream. He filtered the above water through a filter paper
and observed no residue is left on filter paper. He focussed
a strong beam of light on the filtrate and observed that path
of light is visible in the filtrate.
Answer the following questions :
a) Is the stream water a colloidal solution or suspension?
by Why is the path of light visible in water?​

Answer 1

Answer:

a. it is a colloidal solution

b. the path of light is visible because of Tyndall effect that is the scattering of light by colloidal particles.

Answer 2

Answer:a) Colloidal solution

b) Tyndall effect

Explanation:a) The stream water is colloidal solution because no residue is left in the filtrate paper.

b) The path of lights visible in water due to Tyndall effect.