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extraction of metals from ores using electrolysis

how to extract aluminium by electrolysis chemistry for all - youtube

oct 13 aluminium is the most abundant metal on earth however it is expensive because a lot of electricity is used to extract it bauxite is the aluminium ore it

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7 metal extraction - the student room

rocks that contain a high enough percentage of a metal to be extracted commercially are known as ores aluminium and iron are the most abundant metals by electrolysis method 1 reduction of metal oxides with carbon carbon and carbon monoxide are cheap effective and readily available reducing agents

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extraction of metals - knockhardy

methods - general low in series occur native or cu ag extracted by roasting an ore middle of series metals below carbon are extracted by reduction zn fe of the oxide with carbon or carbon monoxide high in series reactive metals are extracted using electrolysis na al - an expensive method due to energy costs

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gcse chemistry - what is electrolysis? - why is electrolysis used

what is electrolysis and why is it used? gcsescience com 3 gcsescience com extraction of metals what is electrolysis? electrolysis is the process where an electric current is passed through a liquid that conducts electricity a liquid will only conduct electricity if it used for the extraction of some metals from their ore

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chemistry - extraction of metals science exam tips - youtube

jun 2 if they are more reactive it is difficult to extract metals using carbon another method we can use is electrolysis this is when you extract the metals by passing electricity through its solution you can also split up metals with copper people are developing new methods to make the extraction of metal more

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gcse chemistry extraction of metals like copper from ores

ores are rocks that contain minerals and metals see how much you know about the extraction of metals in this quiz from education quizzes

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gcse 1 introduction to the extraction of metals method related to the

in extracting metals from ores you have to reverse the process e g by heating the ore with carbon coke or charcoal in a very hot smelting furnace e g in a blast furnace to sometimes electrolysis is used to purify less reactive metals which have previously been extracted using carbon or hydrogen e g copper and zinc

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bbc - gcse bitesize extraction using carbon

metals are extracted from ores an ore is a rock that contains enough of a mineral metal compound for the metal to be extracted from it most metals are extracted from an ore by reduction with carbon or by electrolysis extraction using carbon metals such as zinc iron and copper are present in ores as their oxides each of

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an introduction to the chemistry of metal extraction - chemistry

feb 26 this page looks at the various factors which influence the choice of method for extracting metals from their ores including reduction by carbon reduction by a reactive metal like sodium or magnesium and by electrolysis details for the extraction of aluminum copper iron and titanium are given in separate

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types of extraction s-cool the revision website

hence electrolysis is only used for the most reactive metals metal method of extraction potassium electrolysis sodium electrolysis calcium electrolysis magnesium electrolysis aluminium electrolysis zinc heat with carbon or heating with carbon monoxide used for extracting iron from iron ore using the blast furnace

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bbc - gcse bitesize methods of extracting metals

the method used to extract metals from the ore in which they are found depends on their reactivity for example reactive metals such as aluminium are extracted by electrolysis while a less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide thus the method of extraction of a metal

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bbc - gcse bitesize methods of extracting metals

the method used to extract metals from the ore in which they are found depends on their reactivity for example reactive metals such as aluminium are extracted by electrolysis while a less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide thus the method of extraction of a metal

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extraction of reactive metals

introduction in this chapter we have looked at extracting metals near the bottom and middle of the reactivity series but what about the more reactive metals? how are they 'won' from their ores? this unit introduces the method used which is called electrolysis why not use carbon? using carbon to reduce a metal's oxide is

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chemistry - extraction of metals science exam tips - youtube

jun 2 if they are more reactive it is difficult to extract metals using carbon another method we can use is electrolysis this is when you extract the metals by passing electricity through its solution you can also split up metals with copper people are developing new methods to make the extraction of metal more

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types of extraction s-cool the revision website

hence electrolysis is only used for the most reactive metals metal method of extraction potassium electrolysis sodium electrolysis calcium electrolysis magnesium electrolysis aluminium electrolysis zinc heat with carbon or heating with carbon monoxide used for extracting iron from iron ore using the blast furnace

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untitled document - iupac

electrolysis is frequently used to extract a metal from its ore or to purify an impure metal 1 electrolytic extraction of metals the commonest metal ores contain the metals as oxides or carbonates the metal can in theory be obtained by the electrolytic reduction of the ores however in practice chemical reduction using

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extraction of reactive metals

introduction in this chapter we have looked at extracting metals near the bottom and middle of the reactivity series but what about the more reactive metals? how are they 'won' from their ores? this unit introduces the method used which is called electrolysis why not use carbon? using carbon to reduce a metal's oxide is

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extraction of metals questions

c name one metal which must be extracted from its melted ore by electrolysis rather than by using carbon a student was trying to extract the metals from lead oxide and aluminium oxide she heated each oxide with carbon in a fume cupboard as shown below she was able to extract lead from lead oxide but not

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gcse 1 introduction to the extraction of metals method related to the

in extracting metals from ores you have to reverse the process e g by heating the ore with carbon coke or charcoal in a very hot smelting furnace e g in a blast furnace to sometimes electrolysis is used to purify less reactive metals which have previously been extracted using carbon or hydrogen e g copper and zinc

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gcse chemistry - extraction of metals - what is a metal ore

the method used to extract a metal from its ore depends on where the metal is in the reactivity series metals above carbon in the reactivity series a metal above carbon in the reactivity series potassium sodium lithium calcium magnesium and aluminium can be extracted by electrolysis extraction of the metal from its

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reduction of metals extraction from ore - a-level chemistry

there are 3 main methods of extracting metals from their ore they are reduction of the ore with carbon reduction of the molten ore by electrolysis and reduction of the ore with a more reactive metal extraction using carbon metals such as zinc iron and copper are present in ores as their oxides each of these oxides is

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extraction of metals - introduction - chemguide

the extraction of metals - an introduction this page looks at the various factors which influence the choice of method for extracting metals from their ores including reduction by carbon reduction by a reactive metal like sodium or magnesium and by electrolysis details for the extraction of aluminium copper

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extraction of metals - introduction - chemguide

the extraction of metals - an introduction this page looks at the various factors which influence the choice of method for extracting metals from their ores including reduction by carbon reduction by a reactive metal like sodium or magnesium and by electrolysis details for the extraction of aluminium copper

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an introduction to the chemistry of metal extraction - chemistry

feb 26 this page looks at the various factors which influence the choice of method for extracting metals from their ores including reduction by carbon reduction by a reactive metal like sodium or magnesium and by electrolysis details for the extraction of aluminum copper iron and titanium are given in separate

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bbc - gcse bitesize extraction using carbon

metals are extracted from ores an ore is a rock that contains enough of a mineral metal compound for the metal to be extracted from it most metals are extracted from an ore by reduction with carbon or by electrolysis extraction using carbon metals such as zinc iron and copper are present in ores as their oxides each of

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extraction of metals - thisisphysics

iron can be extracted from iron ore in the blast furnace the raw materials are iron ore coke carbon and limestone hot air is used to convert carbon to metals above carbon in the reactivity series are extracted using electrolysis electrolysis is the process of splitting up compounds using electricity electrolysis only works

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how to extract aluminium by electrolysis chemistry for all - youtube

oct 13 aluminium is the most abundant metal on earth however it is expensive because a lot of electricity is used to extract it bauxite is the aluminium ore it

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metal extraction - slideshare

may 19 this will be discussed by taking examples or we will see how metals like potassium sodium lithium calcium magnesium and aluminium are extracted and how metal like copper and zinc purified using electrolysis process 1 introduction metals are very useful ores are naturally occurring rocks that

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angliacampus extracting metals - jeron je

aluminium is too reactive to be reduced using carbon or carbon monoxide in order to extract the metal from its ore electrolysis has to be used aluminium oxide obtained from bauxite ore is dissolved in a molten salt called 'cryolite' this lowers the melting point of aluminium oxide from over ° c to around ° c an

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gcse chemistry - extraction of metals - what is a metal ore

the method used to extract a metal from its ore depends on where the metal is in the reactivity series metals above carbon in the reactivity series a metal above carbon in the reactivity series potassium sodium lithium calcium magnesium and aluminium can be extracted by electrolysis extraction of the metal from its

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