Which one of the following materials is suitable for water purification

Options :
  1. silicones
  2. zeolites
  3. asbestos
  4. quarts
Answer and Explanation :-

Answer: Option 2

Explanation:

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. . . I had found the edge. The place where you unstrap all your fastenings to the earth, to what you are what you have been, where you flame out on the edge of the spheres, and the sun and moon become eclipsed and the world below is as dead and remote and without interest as if it were glazed with ice.
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