Question

What are the steps involved in the purification of water from a natural source for drinking puposes?

Answer 1

The steps are:-

*Filtration of large particles and sand

*coagulation or binding of the particles by adding alum.

*boiling of the water to kill microbes

*activated carbon filtration

*distillation for the removal of ions

*Reverse osmosis against the concentration gradient also known as R. O

-)flocculation and chlorination are the chemical methods to purify water

-)sedimentation is also used.

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