Question

6
Which of the following kills harmful disease causing organisms present in waste water?
a) Chlorine
b) Fluorine
c) Oxygen
d) Hydrogen​

Answer 1

Answer:

Chlorine

Explanation:

Inhalation of chlorine gas or drinking highly concentrated sources of chlorine (such as household bleach) can lead to vomiting, coma, and even death. For this reason, many people fear that the chlorine in swimming pools and drinking water can be harmful for health, and cause cancer.