Multiple choice

Water for civil supplies is commonly purified by

  1. chlorination

  2. distillation

  3. filtration

  4. decantation

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chlorine is one of the most commonly used disinfectants for water disinfection. Chlorine can be applied for the deactivation of most microorganisms and it is relatively cheap.