Multiple choice

To kill bacteria & germs swimming pool water is usually treated with

  1. Alcohol

  2. Chlorine

  3. Iodine

  4. Virkon

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

Disinfectants sterilize surfaces, medical equipment and other man-made objects. Chlorine is  used to disinfect swimming pools, and is added in small quantities to  drinking water  to reduce waterborne diseases.