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metals extracted from ores by electrolysis

  • Extracting Metals by Electrolysis ppt video online download

    3 Extracting metals from ores. Boardworks GCSE Science: Chemistry Extracting Metals by Electrolysis Most metals that we use are found combined with other elements, as compounds in ores. These metals must be extracted from their ores before they can be made useful. potassium The method of extraction which is most 

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  • class ten science chemistry extraction of high reactivity metals

    Class 10 Chemistry. Extraction of Metals of high reactivity. Metals of high reactivity such as sodium, calcium, magnesium, aluminium, etc. are extracted from their ores by electrolytic reduction. These metals cannot be reduced using carbon because carbon is less reactive than them. Electrolytic Reduction: Electric current is 

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  • Reduction of Metals (Extraction from Ore) ALevel 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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  • Getting Metals From Rocks Pythagoras and That

    Jul 23, 2014 Some ores have to be concentrated first though i.e. just getting rid of all the unwanted rocky material. Electrolysis may be used to purify any metal extracted too. Reduction. This involves reacting the ore with carbon. In the reaction oxygen is removed. e.g. iron oxide + carbon iron + carbon dioxide.

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  • 50.5 EXTRACTION OF METALS METALLURGY Chemistry

    As already mentioned only a few most unreactive metals occur in nature in free state. Most of the metals occur in nature in oxidized form as their compounds. Therefore, metals are generally extracted by subjecting their ores to reduction by chemical methods or by electrolytic methods. The process of extracting pure metal 

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  • Types of Extraction Scool, the revision website

    When the metal is dug up, a method must be used to separate the metal from the rest of the ore. This is called extracting the metal. The method of extraction depends on how reactive the metal is. The more reactive the metal, the more difficult it is to extract from its compound. Electrolysis Electrolysis is the most powerful 

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  • Extracting Metals from their Ores YouTube

    Jun 22, 2017 4.7 Explain why the method used to extract a metal from its ore is related to its position in the reactivity series and the cost of the extraction process.

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  • Metal extraction SlideShare

    May 19, 2016 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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  • 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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  • metal extraction chemrevise

    Aug 19, 2013 Extracting metals. N Goalby. Chemrevise. ORES. Most metal compounds in ores are found as oxides or sulphides, but the sulphides are usually 1. by heating with carbon (in the form of coke). 2. by electrolysis. 3. by heating with a more reactive metal (active metal). 4. by reacting with hydrogen.

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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 lessreactive 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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  • Reduction of Metals (Extraction from Ore) ALevel 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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  • C1 3 Metals and their uses

    C1 3 Metals and their uses. Metals are found in the Earth's crust as ores metal compounds inside a rock. Metals are then extracted from their ores either by electrolysis or reduction. The way we extract metals depend on its place in the reactivity series. All metals above carbon (C) are extracted by electrolysis. Metals 

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  • An Introduction to the Chemistry of Metal Extraction Chemistry

    Feb 26, 2017 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 

    Online
  • Types of Extraction Scool, the revision website

    When the metal is dug up, a method must be used to separate the metal from the rest of the ore. This is called extracting the metal. The method of extraction depends on how reactive the metal is. The more reactive the metal, the more difficult it is to extract from its compound. Electrolysis Electrolysis is the most powerful 

    Online
  • Why are all metals not obtained from their ores by electrolysis

    Process of extraction of metal from it's ore depends upon impurities present in them And for electrolysis generally oxides of metal are used as electrolyte So it is self explainatory that all the process carried out before electrolysis are made to

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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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  • 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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  • Extracting Metals from their Ores YouTube

    Jun 22, 2017 4.7 Explain why the method used to extract a metal from its ore is related to its position in the reactivity series and the cost of the extraction process.

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  • gcse 1. Introduction to the Extraction of Metals method related to the

    The metal ore, a mineral or mixture of minerals from which economically viable amounts of metal can be extracted, i.e. its got to have enough of the metal, or one of its compounds, in it to be worth . BUT it is only in the last 200 years that very reactive metals like sodium or aluminium have been extracted by electrolysis.

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  • EXTRACTION OF ALUMINIUM ELECTROLYSIS 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 Metals Revise how Reactive ones are Extracted

    Reactive metals respond to electrolysis and other methods. The rocks of the Earth's crust contain ores, from which metals can be extracted economically. This is the third of seven quizzes on that topic and the second of two on extracting metals from the ground and it looks in particular at extracting reactive metals.

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  • An Introduction to the Chemistry of Metal Extraction Chemistry

    Feb 26, 2017 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 

    Online
  • BBC Bitesize GCSE Chemistry (Single Science) Iron and

    in the ore, which in turn depends upon the reactivity So, the method of extraction of a metal from its ore depends on the metal's position in the reactivity series. Sodium, Electrolysis. Calcium, Electrolysis. Magnesium, Electrolysis. Aluminium, Electrolysis. (Carbon), (Nonmetal). Zinc, Reduction by carbon or carbon 

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  • THE EXTRACTION OF HEAVY METALS BY MEANS OF A NEW

    possible the desired metal's content from the ore concentrate, in the most economical manner. electrodialysisbased electrolytic method in a laboratory scale, for the extraction and deep separation of different extraction of metals from ore concentrates and the processing of globally accumulated huge quantities of liquid.

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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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  • 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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  • 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 lessreactive metal such as iron may be extracted by reduction with carbon or carbon monoxide. Thus the method of extraction of a metal 

    Online
  • 2.7 Extraction of Metals Notes ALevel Chemistry

    Reduction of metal oxides with carbon: this is used in the extraction of iron. Reduction of metal halides with more reactive metals: this is used in the extraction of titanium. Electrolysis of the metal ore: this is used in the extraction of aluminium. Reduction of the metal oxide with hydrogen: this is used in the extraction of 

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  • Extracting copper. Extracting copper. School Science

    Many metals are impure when they are extracted from their ores. Impurities have to be removed. Copper is purified by electrolysis. In this process copper is transferred from an impure anode to the hode of an electrolytic cell. The insoluble impurities fall to the bottom. The copper produced by this process is 99.99% pure 

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