Question

What is the role of ultraviolet (UV) radiation in the water purification systems?a. It inactivates/kills the harmful microorganisms in water.b. It removes all the undesirable odours from the water.c. It quickens the sedimentation of solid particles, removes turbidity and improves theclarity of water.Which of the statements given above is/are correct?a. 1 onlyb. 2 and 3 onlyc. 1 and 3 onlyd. 1, 2 and 3

Answer 1

hey mate........the answer is

(@) 1 only

Answer 2

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1 2 and 3


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