Question

55. Disinfection of water with ozone is not
good because
it removes the colour, taste and
odour from water as bacterias
it adds taste to the water
it does not offer residual effect
it is more efficient than chlorine in
killing bacterias​

Answer 1

Answer:

it is more efficient than chlorine in

killing bacterias

Answer 2

Answer:

it removes the colour,taste and odour from water as bacterias

Explanation:

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