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Catherine Irvine
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The extraction of metals from ores, alloys and the properties of metals as well as there uses

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Catherine Irvine
Creado por Catherine Irvine hace más de 8 años
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Metals and their UsesExtractingmetalsOresRocks which contain enough metal tomake extraction economically viableOres may beconcentrated firstMethods of extractionElectrolysisReductionSmeltingOtherPhytominingBioleachingMetals less reactive than carbonMetals more reactive than carbonOIL RIGheatingwithcarbonOxidation is lossReduction is gainPositive ions move away from the positive electrode and towards the negative electrodeThe negative electrode gains positive ionsCuO +H2 = Cu + H20Used for copperUses plants to absorb metal compoundsPlants are burnt to produce ash thatcontains compoundsUses bacteria to produce leachate solutions whichcontain metal compoundsAlloysmost metals used in every day life are alloys as pure metals are too soft by themselfMixing metals makes them harderIronIron from the blast furnace is 96% pure ironThe impurities make it brittleMost irons are mixed with carbon to make steelLow carbon steels are easily shapedHigh carbon steels are hardStainless steals are resistant to corrosionProperties and uses ofmetalsTransition metalsElements in the middle of the periodictablePropertiesCan be bent or hammered intoshapeGood conductors of heatGood conductors of electricityUseful structural materialsCopperUseful for plumbing and electrical wiringDoesn't react with waterIs a good conductor of heat and electricityIs hard but malleableenough to be used for pipesAluminium and TitaniumUseful metalsResistance to corrosionLow densityHaz doble clic en este nodo para editar el textoHaz clic en este nodo y arrástralo para crear uno nuevo