JAMB - Chemistry (2024 - No. 68)
In the treatment of water for municipal supply, chlorine is used to
prevent tooth decay
prevent goitre
kill germs
remove colour or odour
توضیح
Chlorine kills or inactivates harmful microorganisms that can cause illnesses like cholera, hepatitis, typhoid, and giardiasis. It helps in disinfecting the potable water.