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GCSE C 10

Topic 10 - Using Resources

TermDefinition
Bioleaching Bioleaching uses bacteria to produce leachate solutions that contain metal compounds.
Desalination The process of removing salt from seawater.
Displacement A chemical reaction in which a more reactive element displaces a less reactive element from its compound.
Electrolysis The splitting up of an ionic compound using electricity. The electric current is passed through a substance causing chemical reactions at the electrodes and the decomposition of the materials.
Finite resources A non-renewable resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption.
Ground water Water held underground in the soil and crevices in rock.
Life cycle assessment (LCA) Life cycle assessments are carried out to assess the environmental impact of products in each of these stages
Ore A rock from which metal can be extracted.
Phytomining Phytomining uses plants to absorb metal compounds from the soil. The plants are harvested and then burned to produce ash that contains the metal compounds.
Potable water Water that is safe to drink.
Raw materials The basic material from which a product is made.
Renewable resources A natural resource which can be used repeatedly and will not run out due to being naturally replenished.
Sterilisation The process used to remove bacteria or living microorganisms from something. Used during the treatment of water.
Sustainable development Development that meets the needs of current generations without compromising the ability of future generations to meet their own needs.
Thermosetting polymers Polymers which do not melt when heated.
Thermosoftening polymers Polymers which melt when heated and can be remoulded into different shapes.
Created by: Windypicks
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