GCSE Science | Potable Water

Pure water

• no substances added to it
• check the boiling point

Potable water

• water that been treated that is safe to use

Treating fresh rain water

• sedimentation: removes large particles
• filtration: removes small particles
• sterlisation: kills microbes

Treating sea water

• filter: removes small particles
• distillation: removes salt
  • boil, cool, condense