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461013
Solubility and purification of water
Description
GCSE C2 Mind Map on Solubility and purification of water, created by danielberthaur on 02/01/2014.
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Mind Map by
danielberthaur
, updated more than 1 year ago
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danielberthaur
over 10 years ago
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Resource summary
Solubility and purification of water
Solubility curves
Different amounts of substances can dissolve in a solvent, e.g water at different temperatures
The effect is shown on a solubility graph/curve
Desalination of water
Humans cannot drink sea water, there is technology for desalination of water, but there are problems with this on a large scale across the world
It uses more energy than the other process
It is a very expensive process, many countries that have the most need for water are poor and cannot afford desalination
The process produces greenhouse gases, while other treatment plants produce very little
The salty water left after fresh water has been extracted is a pollutant
Countries with no coastline would have to pump the water across large distances
Distillation
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