Chemistry 5070 · O Level · Water

Water — practice question

The water supplied to homes is treated so that it is safe to drink. Which row identifies the treatment and its effect?

  • Aremoves nitrates; removes solids; removes nitrates
  • Bkills microbes; removes soluble compounds; removes solids
  • Cremoves solids; kills microbes; removes soluble compounds
  • Dkills microbes; removes solids; removes solids

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