Question

Question 6

Pick from the following one chemical which is used to disinfect water.
(a) Chlorine
(b) Washing soda
(c) Silica
(d) Coal

Answer 1

The answer is option (a).

Chlorine is the chemical used as a water disinfectant. Water disinfection is done to remove impurities and microbes from water which is obtained from the wastewater treatment plant before it is released into the distribution system. The addition of chemicals like chlorine helps to remove these impurities and microbes and make the water fit for human consumption.