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

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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