Watch Lime and Water Hardness - School Movie on Chemistry
- 2016
- 5 hr
White deposits on water taps and scale in kettles are the result of hard water. Water hardness is a measure of the concentration of calcium and magnesium ions in water. Water hardness occurs when water filters through soil and rock layers. This film shows how water hardness is measured and which consequences the hardness of water has. Also methods for softening water are shown.
