Flashcards
Hard Water and Water Treatment: key terms
Flashcards do conjunto (5)
- 1Hard WaterWater that will not easily form a lather with soap. Hardness in water is caused by the presence of calcium or magnesium ions.
- 2Water TreatmentScreening, flocculation, sedimentation, filtration, chlorination, fluoridation, ph adjustment.
- 3FlocculationA chemical added to water to coagulate suspended particles.
- 4B.O.DIs the amount of dissolved oxygen consumed by biological action when water is kept in the dark at 20 degrees for five days.
- 5EutrophicationThe enrichment of water with nutrients which causes the excessive growth of algae.
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- Descrição
- leaving cert chemistry (water) FlashCards sobre Sem título, criado por alannahsmyth305 em 05-06-2014.
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- alannahsmyth305
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