Question

Rani wants to disinfecting drinking water in her house to make it free of germs. What is that substance & its equation

Answer 1

Chlorine readily combines with chemicals dissolved in water, microorganisms, small animals, plant material, tastes, odors, and colors. These components "use up" chlorine and comprise the chlorine demand of the treatment system. It is important to add sufficient chlorine to the water to meet the chlorine demand and provide residual disinfection.Calculating Contact Timeminutes required = K / chlorine residual (mg/l)