Question

Identify the popular water purification technique that is used in domestic cities.

• A. Reverse Osmosis
• B. Boiling
• C. Chlorination
• D. Melting

Answer 1

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 produce drinking water from seawater for submarine crews. Modern reverse osmosis units effectively reduce the “dissolved solids” content of water. It is a membrane filtration technology that works by pressing water through the very tiny pores of a semi-permeable membrane to produce a highly purified and great tasting water.