Cambridge International Examinations Cambridge
(ii) Why is aluminium not extracted from its ore by reduction with carbon? The reaction at the anode during the extraction of aluminium by electrolysis is shown. 2O2 W rite the word equation for the reaction between ethanoic acid and copper( ) carbonate.
Extracting copper from copper(II) carbonate Experiment
2.1.6 examine the relationship between the extraction of a metal from its ore and its position in the reactivity series, for example: aluminium, a reactive metal, is extracted by electrolysis; and iron, a less reactive metal, is extracted by chemical Scotland. National 5. SQA Chemistry. Chemistry in society. Metals. Extraction of metals
(3) - The Student Room
Q3. Copper is a widely used metal. The main ore of copper contains copper sulfide. Copper can be extracted from copper sulfide in a three stage process. (a) In the first stage of extraction the copper sulfide is heated in air. (i)€ Balance the symbol equation for the reaction.
extraction of tungsten
This page deals with the extraction of tungsten from tungsten(VI) oxide, WO 3, produced from tungsten ores such as wolframite or scheelite.. Introduction. The production of the tungsten(VI) oxide from the ores is complicated, and not needed for any UK A level (or equivalent) syllabus.
CHEMISTRY NTSE 2017-18 - WordPress
(A) Copper (B) Aluminium (C) Iron (D) Zinc . 48. Metallurgy is a process of extracting (A)metal from its mineral (B) metal from its ore (C) pure metal from its ore (D) metal from its pure ore . 49. Matrix is defined as the (A) Unwanted foreign material present in the ore (B) Flux added to remove the unwanted impurities from ore
GENERAL PRINCIPLESSSS AND PROCEOCEOCESSESSESSES
In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu 2 O with (i) FeS (ii) CO (iii) Cu 2 S (iv) SO 2 7. Brine is electrolysed by
What is a word equation for the extraction of tin from tin
Magnesium is a more reactive metal therefore for using any extraction method you would have to use electrolysis, which is expensive. Whereas for zinc it is extracted from its ore chemically by
Mr Morton - Qatar Science
Copper is a widely used metal. The main ore of copper contains copper sulfide. Copper can be extracted from copper sulfide in a three stage process. (a) In the first stage of extraction the copper sulfide is heated in air. Complete the word equation for the extraction of iron.
How is copper obtained from its sulphide ore? What is the
Hari om, you are asking a question as to : How is copper obtained from its sulphide ore? What is the equation of this reaction?. Hari om. Hari om. ANSWER :[ Excerpts] COPPER MINING AND EXTRACTION: SULFIDE ORES : Its hard to imagine a world wit
Sydney russell school e-learning - Home
Q26. Copper is a widely used metal. The main ore of copper contains copper sulfide. Copper can be extracted from copper sulfide in a three stage process. (a) In the first stage of extraction the copper sulfide is heated in air. (i) Balance the symbol equation for the reaction.
Extraction of Metals - SlideShare
Jul 10, 2011· (grade B) I understand which method of metal extraction is required to extract metals of different reactivities from their ores. (grade A) 4. Displacement Reactions (Modelling) 1. Iron + Copper Sulfate Iron Sulfate + Copper 2. Copper + Silver Nitrate Copper Nitrate + Silver 3.
Copper Mining and Extraction Sulfide Ores
Web search hints: Porphyry copper Nazca subduction Global volcanism smithsonian. Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90% of ore is mined by this method.
Metal extraction - SlideShare
Apr 21, 2010· Extraction of Metals<br />To obtain the metal its ore, a reducing agent is used to remove the oxygen, in a reduction reaction.<br />Examples of some reducing agents; <br />Coke (an impure form of carbon)<br />Hydrogen (made from methane and water)<br />A more reactive metal may be used.<br />Electrolysis can also be used for more reactive
Smelting - Wikipedia
Smelting is a process of applying heat to ore in order to extract a base metal. It is a form of extractive metallurgy.It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving the metal base behind.
Copper mining. Chemical reactions.
At this stage of the process, the chemical reactions begin. They convert the copper minerals into copper metal. We can illustrate the types of process using the example of chalcopyrite - CuFeS 2.From the formula, it is clear that iron and sulphur have to be removed in order to produce copper.
GCSE Metals Revise Methods of Extraction from Ores
If this is heated strongly, it undergoes thermal decomposition to form copper oxide, a black compound. It just so happens that when heated with carbon, copper oxide is reduced as carbon is more reactive than copper. It is easy to see how a curious mind would experiment with other minerals, leading to the discovery and extraction of new metals.
There are two steps in the extraction of copper metal from
There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper (I) sulfide and oxygen react to form copper (I) oxide and sulfer dioxide:
SCIENCE F.1 UNIT 13
2 The method to extract gold by washing the crushed ore to separate pure gold out is known as . 3 The method to extract metals from their metal oxides by heating with carbon is
Displacement Reactions of Metals (3) - Activity
The iron displaces the copper in the solution and copper metal is deposited on the surface of the rod. Write word equations for the chemical changes involved in: (a) The chemistry of extracting a metal from an ore can involve several stages. The final stage might involve displacement using another more reactive metal or heating with a non
Bismuth: extraction; Brife introduction; Bismuth is extracted from its ores by dry, wet, or electro-metallurgical methods, the choice depending upon the composition of the ore and economic conditions.; The dry process is more frequently practised, due to the easy reducibility of the oxide and sulphide, together with the low melting-point of the metal, which renders it possible to effect a
Unit 6- PRINCIPLES AND PROCESSES OF EXTRACTION OF
A: To enhance non-wettability of ore particles by water. 12. Haematite ore particles are heavier than gangue. Suggest a suitable method for its concentration. A: Gravity separation 13. What is the importance of roasting and calcination. A: This is done to get the metal in its oxide form so that reduction can be done easily. 14.
CHAPTER 8 hea eats a eats
Extraction of Copper from Its Ore Factors Affecting CO 2 Production in Yeast hea eats a eats Why it Matters Video HMDScience Activity Series of the Elements CHAPTER 8. Describing Chemical Reactions Key Terms chemical equation word equation precipitate formula equation coefficient reversible reaction A chemical reaction is the process by
Obtaining metals from metal oxides - Metals - KS3
Obtaining metals from metal oxides. Carbon is a non-metal but it is more reactive than some metals. This means that some metals can be extracted. from their metal oxides using carbon.
copper extraction and purification - chemguide
Extracting copper from other ores. Copper can be extracted from non-sulphide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute copper(II) sulphate solution.
The Extraction of Copper - Chemistry LibreTexts
Aug 21, 2020· Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulfide ores such as chalcopyrite (\(CuFeS_2\)) are converted to copper by a different method from silicate, carbonate or sulfate ores. Chalcopyrite (also known as copper pyrites) and similar sulfide ores are the commonest ores of
gcse 2. Blast furnace extraction of iron recycling, steel
2a. Extraction of Iron in a blast furnace. Sadly, now shut down! Raw Materials:. Iron Ore e.g. haematite ore (iron(III) oxide) the source of iron.. Fe 2 O 3; or magnetite ore. Fe 3 O 4; coke (carbon, C), both fuel and reducing agent.; hot air (for the oxygen in it) to burn the coke. O 2; limestone (calcium carbonate) to remove certain impurities like silica.
Smelting - Wikipedia
Malachite, a common ore of copper, is primarily copper carbonate hydroxide Cu 2 (CO 3) (OH) 2. This mineral undergoes thermal decomposition to 2CuO, CO 2, and H
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 heated with carbon
Extraction of metals Chemistry Quiz - Quizizz
What is a metal ore? the products of the reaction are a metal and carbon dioxide gas. Which is the general word equation for extracting a metal from its oxide using carbon? answer choices Question 20 . SURVEY . Ungraded . 120 seconds . Report an issue . Q. What is the correct word equation for extracting copper from copper oxide? answer
C10.3 Extraction of Metals Flashcards Quizlet
Copper (Cu) 10.3.1 Describe the use of carbon in the extraction (mainly sand) to form slag. Write the word equation for this reaction. 10.3.2 Describe the essential reactions in the 10.3.3 Relate the method of extraction of a metal from its ore to its position in the reactivity series.
Copper Smelting Chemistry Tutorial
A copper ore is a mixture of copper minerals and other materials in the rock called gangue, from which it is economically viable to extract the metal. A typical copper ore contains between 0.5% and 2.0% copper. A high grade ore produces a high yield of metal. A
Extraction of Gold
The ore is reduced to a fine state of division and amalgamated simultaneously in a stamp-mill, the solid gold-amalgam separated from the liquid mercury by filtration through leather under pressure, and the mercury distilled. Complete extraction of the gold by amalgamation is impossible, a part remaining in the mud of the stamp- mills.
extractionandusesmetalsanswers the science hive
An ore is a rock containing enough metal to make it economically worth extracting. How would you expect calcium to be extracted from its ore? Calcium is above carbon in the reactivity series, which means it cannot be extracted using a displacement reaction with carbon.
Extraction - Copper information provided by Copper
Copper Ores. An ore is a rock containing enough valuable mineral to make it worth extracting. In the case of copper, it is worth extracting when there is about 2 kg of copper per 1,000 kg of ore (0.2%). Copper minerals are found in over one hundred varieties, although only a few have been worked for copper on a large scale.
Extracting metals from their ores: Questions
(a) How could you extract iron from its ore? Write a word equation for the reaction (b) What is being reduced in your equation? (c) Is the carbon monoxide acting as an oxidising agent or a reducing agent? How could you extract copper from its ore? Write a chemical equation for the reaction between zinc oxide and carbon monoxide.
purification of copper by electrolysis metal extraction
4C. Purification of Copper by Electrolysis (extraction from ore above). The impure copper from a smelter is cast into a block to form the positive anode.The cathode is made of previously purified copper.These are dipped into an electrolyte of copper(II) sulphate solution.; When the d.c electrical current is passed through the solution electrolysis takes place.
What is the word equation for lead being extracted from
The symbol equation for the reduction of iron ore with carbon monoxide is Fe2O3 + 3CO ----> 2Fe + 3CO2. Iron is extracted from its oxide ores, primarily hematite, by reduction with carbon
6.1 - 6.4 Metals Flashcards Quizlet
Give the word equation for the production of lead from lead oxide. 2PbO (s) + C (s) 2Pb (l) + CO (g) Extracting copper from copper rich ores is a two stage process. What is the first stage called and what is formed? How much energy saving is there between recycling aluminium versus extracting it from its ore. Transition metals.
Extracting Metals by Electrolysis
Extracting aluminium Aluminium is more reactive than carbon and its ore has a very high melting point (2050°C). This means aluminium cannot be extracted by reduction with carbon. Electrolysis is used to extract aluminium from its ore. In electrolysis, the ore is dissolved in a compound called cryolite (Na 3 AlF 6), which lowers the melting
Extraction of copper from copper pyrites (CuFeS2
Copper is extracted from its principal ore copper pyrites (CuFeS 2). The ore is concentrated by froth flotation process. The concentrated ore is roasted in a reverberatory furnace when the following reactions occur. 1. The volatiles like sulphur and arsenic escape as gases S + O 2-----> SO 2 4AS + 3O 2----
PPT Extraction of Aluminium PowerPoint presentation
Extraction of metals from their ores - Chapter 5.2 Extraction of metals from their ores An ore of a metal *metal *minerals *impurities Processes of obtaining a pure metal from an ore More reactive - Complete the word equation: Copper oxide + sodium Potassium More reactive Sodium Calcium Magnesium Aluminium Carbon Zinc Iron Copper Silver
Extraction of Metals CIE IGCSE Chemistry Revision Notes
Extraction of aluminium . Aluminium is a reactive metal which sits above carbon on the reactivity series. It cannot be extracted from its ore (bauxite) by carbon reduction, so electrolysis is used. Diagram showing the extraction of aluminium by electrolysis . Recycling metals:
GCSE CHEMISTRY - Extraction of Copper - Thermal
Extraction of Metals. Extraction of Copper.. Copper is sometimes found as native metal.. Copper ores include copper(II) oxide and copper(II) sulfide. Copper(II) oxide can be reduced by reaction with carbon.. Some copper ores may contain only small amounts of copper. These are called low grade ores and have less than 1% copper but they are still used because copper is so valuable.
GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF
Jan 12, 2013· 24. Mention the role of cryolite in the extraction of aluminium. 25. Mention the role of following : (a) SiO 2 in the metallurgy of Cu. (b) CaCO 3 in the metallurgy of Fe. (c) CO in the metallergy of iron (d) I 2 in the purification of zirconium. 26. Extraction of copper directly from sulphide ore is less favourable than from its oxide through
Conversion of ore into metal Class 10, Metals and Non-metals
Mar 20, 2019· Question 11 How does the method of extracting a metal from its ore depend on the position in the reactivity series? Conversion of ore into metal a) The less reactive metals are extracted by reduction of their oxides by heat alone. For Ex: Copper and mercury 1)Ore of mercury is cinnabar Mercury oxide is reduced to mercury on heating.