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16 May, 14:02

20. Which of the following is a method of purifying water? A. Adding iodine B. Freezing C. Aeration D. Fixation

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  1. 16 May, 14:11
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    If you add 8-10 drops of iodine in water it will purify it.
  2. 16 May, 14:27
    0
    The answer is A, adding Iodine
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