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    Question

    What is the role of Ultraviolet Radiation    (UV) 

    in the water purification systems?  1.     It inactivates/kills the harmful microorganisms in water  2.     It removes all the undesirable odours from the water   Select the correct answer;-    (a)     1 only                          (b)   1 and 2 both    (c)     2 only                         (d)   Neither 1 and nor 2
    A (a) Correct Answer Incorrect Answer
    B (b) Correct Answer Incorrect Answer
    C (c) Correct Answer Incorrect Answer
    D (d) Correct Answer Incorrect Answer

    Solution

    Activated carbon or activated charcoal is commonly used to remove undesirable odors from water. Activated carbon is a highly porous material that can effectively adsorb organic compounds that cause odor, such as hydrogen sulfide and volatile organic compounds (VOCs), as well as other impurities that may be present in the water.

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