Water Definitions

Card Set Information

Author:
McDeirdree
ID:
223837
Filename:
Water Definitions
Updated:
2013-06-14 11:23:43
Tags:
Chemistry
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Description:
Water Chapter Definitiions
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  1. Hard water
    Water that does not form a lather easily with soap
  2. Distilled water
    the purest form of water as all dissolved and suspended solids, including dissolved gases have been removed
  3. Deionised water
    normally contain dissolved gases as well as any organic material which may be dissolved in the water
  4. Biochemical Oxygen Deman (B.O.D)
    the amount of dissolved oxygen consumed by biological action when a sample of water is kept at 20oC, in the dark for 5 days
  5. Eutrophication
    the enrichment of water with nutrients (phosphates and nitrates), which leads to excessive growth of algae

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