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Worksheet: Water Purification


Potable water must be sterilized before it can be drunk. Which of the following is not a common treatment agent in the production of potable water?

  • A Chlorine
  • B Ultraviolet light
  • C Ozone
  • D Calcium carbonate


Which of the following is not a source of fresh water?

  • A Rivers
  • B Rainwater
  • C Lakes
  • D Oceans
  • EAquifers