Water Treatment
Matching Quiz
Match each stage of water treatment with its correct description by dragging from right to left.
When finished, select the Check button.
Screening
Sedimentation
Filtration
Chlorination
Fluoridation
Passing water through a wire mesh to remove solids
Aluminium sulfate is added to clump tiny particles together to make larger particles, which settle out more easily
Water is passed through sand, gravel filter beds to remove very small particles
Microbes are killed and water is sterilised
Compounds are added to prevent tooth decay