Question

Q 1 Why should water be purified before drinking
Q2 What is chlorination? How does it purify water?
Q 3Why is the traditional method of filtration not completely sufficient for making water fit for drinking?
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Answer 1

Explanation:

Q 1 Why should water be purified before drinking

Water purification can not only help remove harmful containment but also improve the taste, smell and visual appearance of your drinking water. It reduces the amount of chlorine, soil residue, and organic and inorganic substances.

Q2 What is chlorination? How does it purify water?

Chlorination involves adding a measured amount of chlorine to water to produce a residual sufficient to kill bacteria, viruses, and cysts. The killing effect of chlorine depends on the pH of the water, temperature, chlorine level and contact time (i.e., the time the chlorine is in the water before consumption).

Q 3Why is the traditional method of filtration not completely sufficient for making water fit for drinking?

The methods used include physical processes such as filtration, sedimentation, and distillation; biological processes such as slow sand filters or biologically active carbon; chemical processes such as flocculation and chlorination; and the use of electromagnetic radiation such as ultraviolet light.

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Answer 2

Answer:

water should be purified before drinking bcz there will be some infections causing bacterias and pathogens.

traditional method of filtering water is not proper

infact in Olden days they were not filtering the water

they were using water directly from Wells, bcz at that time the water was pollution free. but now it note at all suitable.