Which of the following methods is commonly used to remove suspended impurities from water?

A.

Fluoridation

B.

Chlorination

C.

Filtration

D.

Distillation

Correct answer is C

Filtration is commonly used to remove suspended impurities, such as dirt, sand, and other particles, from water. In this process, water is passed through a filter medium that traps the solid impurities while allowing the clean water to pass through.