could copper be extracted by electrolysis of molten

  • Extraction of Reactive Metals

    This unit introduces the method used, which is called electrolysis. Why not ... Which two metals below can be extracted using carbon as a ... Pass an electric current through the molten metal compound. ... (Copper and silver are often found in compounds, but are easily extracted, sometimes by just heating the compound.)...

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  • Why is electrolysis needed to extract aluminum - Answers

    Why can iron not be extracted by electrolysis? .... To allow the metal elements copper and aluminum to interact - thus allowing electrolysis to take place - the...

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  • Electrolysis - Wikipedia

    In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current ... Negatively charged ions (anions) move towards the electron-extracting ... Production of electrolytic copper as a cathode, from refined copper of lower ... Using a cell containing inert platinum electrodes, electrolysis of aqueous...

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  • BBC - GCSE Bitesize: Extraction and purification of copper

    Copper can be extracted from its ore by heating it with carbon. Impure copper is purified by electrolysis in which the anode is impure copper, the cathode is pure...

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  • Electrolysis of a molten semiconductor - NCBI - NIH

    Aug 24, 2016 ... Metals cannot be extracted by electrolysis of transition-metal sulfides ... Direct electrochemical reduction of ores can improve metal recovery by ... While Hoar and Ward demonstrated the electrolysis of molten copper sulfide in...

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  • extraction of metals - introduction - Chemguide

    Details for the extraction of aluminium, copper, iron and titanium are given in ... An ore is any naturally-occurring source of a metal that you can economically extract .... During electrolysis, electrons are being added directly to the metal ions at...

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  • Extracting and purifying metals - Nuffield Foundation

    of sodium and aluminium, and in the purification of copper. ... The electrolysis of aqueous solutions of metal salts can be more complex than for the molten salts.

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  • purification of copper by electrolysis metal extraction reduction of ...

    How can we purify copper by electrolysis? The electrolytic purification of the impure copper is described with the electrode equations. Scroll down for revision...

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  • What metals are extracted by electrolysis?

    Update: Could someone gice an explanation on what electolysis is and give an equation on ... Anyways, all other metals can also be extracted from their ores using electrolysis but usually, if simple ... 4Al3+ + 12 electrons >>>>>4 Al (molten) ... In the case of copper these impurities are iron, silver, and gold.

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  • Extraction of aluminium aluminum recycling sodium by electrolysis ...

    The extraction of aluminium and sodium metals by electrolysis ... Extraction and Purification of Copper ... The melting point of aluminium oxide is over 2000oC and it would require a lot of extra energy to keep purified bauxite ore molten for the...

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