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Water? Compound of two elements. Hydrogen and oxygen (H2O)
Water cycle? Evaporation-wind-transpiration-respiration-rain
Water treatment? screening-settling-filtration-chlorination-floridation
Screening? Removing large particles in the water
Settling? Aluminium sulfate is added to water to kill bacteria
Filtration? Water is passed through beds of sand
Chlorination? Chlorine is added to water
Fluoridation? Fluorine is added to water to prevent tooth decay
Electrolysis? Splitting of a compound by passing electricity through it
Created by: Chimozukee