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  • Water Purification and Treatment
  • Minute quantities of which substance is added to facilita...
Multiple choice

Minute quantities of which substance is added to facilitate sedimentation?

  1. Charcoal

  2. Alum

  3. Sand

  4. Mud

  5. Sugar

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

Minute quantities of alum are added to facilitate sedimentation.

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