1.

Disinfection of drinking water, is done to remove ___________(a) odour(b) bacteria(c) turbidity(d) colour

Answer» Correct choice is (b) bacteria

The best explanation: Water disinfection means the removal, deactivation or killing of pathogenic microorganisms. Microorganisms are destroyed or deactivated, resulting in termination of growth and reproduction. When microorganisms are not removed from drinking water, drinking water usage will cause people to fall ill.


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