Multiple choice

Piyush wants to purify drinking water. Which among the following chemicals would you suggest him to purify this water?

  1. Fluorine

  2. Lead

  3. Chlorine

  4. Phosphorus

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

Chlorination is a commonly used chemical method for purifying water. It is done by adding chlorine tablets or bleaching powder to water.