Question

An addition of small dose of chlorine gas to filtered water is known as
a. Coagulation
b. Sedimentation
C. Filtration
Ove​

Answer 1

Answer:

filtration as we have seen than chlorine is use to kill the germs

Answer 2

An addition of small dose of chlorine gas to filtered water is known as Chlorination.

Explanation:

Chlorination is the process of adding chlorine to drinking water to kill parasites, bacteria, and viruses.

Chlorine kills pathogens such as bacteria and viruses by breaking the chemical bonds in their molecules.