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Question

Identify the popular water purification technique that is used for purification of drinking water in cities.



A

Reverse Osmosis

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B

Boiling

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C

Chlorination

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D

Melting

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Solution

The correct option is A

Reverse Osmosis


Reverse osmosis often referred to as RO, is an advanced water purification method that was initially developed to obtain drinking water from seawater for submarine crews. Modern reverse osmosis units effectively reduce the “total dissolved solids” content of water. It is a membrane filtration technology that works by pressing water through very tiny pores of a semi-permeable membrane to obtain purified and water.


Chemistry

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