During water treatment for town supply, water is passed through layers of send beds in…

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Chemistry WAEC 1996

During water treatment for town supply, water is passed through layers of send beds in order to

  • soften the water
  • filter the water checkmark
  • decolorize the water
  • destroy the germs in the water
  • coagulate colloidal particles in the water

The correct answer is: B

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