Question

write, in brief,(1)one physical and (2) one chemical method that can be used for 'water purification'.​

Answer 1

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Physical methos for water purification is filtration,distillation and sedimentation etc and chemical methods such as such as flocculation and chlorination; and the use of electromagnetic radiation such as ultraviolet light...

Answer 2

Explanation:

physical is sedimentation-Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity. The particles that settle out from the suspension become sediment, and in water treatment is known as sludge.

chemical is boling or distillation-To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points, into the gas phase. ... Repeating the process on the collected liquid to improve the purity of the product is called double distillation.Jan 2, 2019