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  • Which of the following is/are used to clean water in mode...
Multiple choice

Which of the following is/are used to clean water in modern filters?

  1. Iodine

  2. Chlorine

  3. Ultraviolet rays

  4. Bromine

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ultraviolet rays are used to clean water in modern filters.

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