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NEETChemistrySurface Chemistry

How is drinking water purified using alum?

Options

  1. AFiltration
  2. BCoagulation
  3. CSedimentation
  4. DCentrifugation

Correct answer

B. Coagulation

Step-by-step solution

Alum is added to drinking water to coagulate the suspended impurities and make it fit for drinking purposes.

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