Question

An element used in purification of water​

Answer 1

Explanation:

Chlorine

Chlorine is a powerful chemical that has been in use for many years to treat water for home consumption. Chlorine is an effective water purification method that kills germs, parasites and other disease-causing organisms found in ground or tap water. Water can be purified using chlorine tablets or liquid chlorine.

Answer 2

$\mathbb{\underline{Chlorine}}$