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NCERT Exemplar Class 12 Chemistry Chapter 6 General ...

2021-8-27 · In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu2O with (a) FeS (b) CO (c) Cu2S (d) SO2. Show Answer (c) Cu2S Q7. Brine is electrolysed by using inert electrodes. The reaction at anode is Show Answer (a) Q8. In the metallurgy of aluminium

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Extraction of copper from its ore

2021-7-20 · Learning Objectives To understand the basic principles of copper extraction from ores To understand the basis of it s purification by electrolysis To identify some common uses of copper 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 ...

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How is copper extracted from its sulphide ore? Explain the ...

2018-3-16 · Answer:In the extraction of copper from its Sulphide Ore, when ore is subjected to roasting some of it is oxidised to Cu2O which reacts with the remaining Cu2S to give copper metal. In this process, Cu2S behaves as reducing agent. 2Cu2S+3O2+heat→2Cu2O(s)+2SO2(g) 2Cu2O+Cu2S+heat→ 6Cu(s)+SO2(g) In electrolytic refining of copper, the ...

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Extraction of copper from sulphide ore is less favourable ...

2018-1-29 · Extraction of copper from sulphide ore is less favourable than extracting it from its oxide ore through reducing it with carbon or by displacement reactions. This is so because this process is more easy and cheap than purifying it directly from its sulphide ore.

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I need help with In the extraction of copper from its ...

In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with: Option 1) iron(II) sulphide Option 2) carbon monoxide Option 3) copper(I) sulphide Option 4) …

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In the extraction of copper from its sulphide ore, the ...

In the extraction of copper from its sulphide ore, when ore is subjected to roasting, some of it is oxidised to Cu2O which reacts with the remaining Cu2S (sulphide ore) to give copper metal.Cu2S +2Cu2O → 6Cu +SO2 ↑In this process, Cu2S behaves as reducing agent.

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Sulfide Ores

1.1.2 Extraction of Nickel and Cobalt from Sulphide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metal-rich sulphide ore bodies by sequential solidification and/or hydrothermal leaching and precipitation.

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In the extraction of copper from its sulphide ore, the ...

2018-4-8 · In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with . Options (a) carbon monoxide (b) copper (I) sulphide (c) sulphure dioxide (d) iron (II) sulphide. Correct Answer: copper (I) sulphide. …

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In the extraction of copper from its sulphide ore

2021-7-22 · In the extraction of copper from its sulphide ore Stage 3: roasing at this stage of the process, chemical reactions begin. convert copper ores into copper metal. we can illustrate the process types using the example of chalcopyrite – cufes2. from the formula, it is clear that the iron and sulfur must be removed to produce copper. the roasting process: changes part of the cufes2 to copper ...

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Recovery of Copper from Copper Sulfide Concentrate by ...

2015-1-17 · vering copper from ore. The extraction of copper from ore has commonly been performed using mainly pyro-metallurgical, hydrometallurgical, and biochemical processes [3]. In traditional pyrometallurgica[1]- l process, various gases released produced unacceptable air pollution, and metallurgy equipments always suffered serious

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How is Copper Extracted from Its Sulphide Ore (Copper ...

2021-9-17 · The compound present in the ore is copper (I) sulphide. Its formula is Cu 2 S. Copper is a less reactive metal; therefore, it is placed at the bottom in the reactivity series. Copper is extracted by heating its sulphide ore alone. Two steps involved in the extraction of copper metal from concentrated copper glance ore are: 1.

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GENERAL PRINCIPLESSSS AND …

2020-4-9 · 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 using inert electrodes. The reaction at anode is _____.

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Extraction of copper from its sulphide ore.

In the extraction of copper from its sulphide ore, the metal is formed by the reduction of Cu2O with (a) SO2 (b) Cu2S. asked Aug 12 in Physics by Anaswara (31.5k points) aiims; neet; Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to …

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Direct extraction of copper from copper sulfide minerals ...

Direct extraction of copper from copper sulfide minerals using deep eutectic solvents† Syahrie Anggara, a Francesca Bevan, a Robert C. Harris, a Jennifer M. Hartley, ab Gero Frisch, b Gawen R. T. Jenkin c and Andrew P. Abbott * a

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Explain the steps for extraction of copper from its ...

2017-10-29 · 484 views. asked Oct 29, 2017 in Class X Science by priya12 (-12,165 points) Explain the steps for extraction of copper from its sulphide ore. Write the balanced equations involved in the process.

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EXTRACTION OF COPPER

2012-7-24 · On industrial scale copper is extracted from its sulphide ore known as copper pyrite (CuFeS 2) by smelting method. Finely divided CuFeS 2 is concentrated by "Froth-floatation method". Crushed ore is suspended in water containing pine oil. A blast of air is passed through the suspension. The particles of ore get wetted by oil and floats as a ...

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(i) Explain the steps for extraction of copper from its ...

2013-9-17 · (i) Explain the steps for extraction of copper from its sulphide ore Write the balanced equations involved in the process (ii) What is meant by refining of metals Draw a diagram of electrolytic refining of copper and name the substances used as cathode, anode and the - Science - …

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EXTRACTION OF COPPER

In the extraction of copper from its sulphide ore, the metal is final…

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Explain the steps for extraction of copper from its ...

2021-7-19 · Explain the steps for extraction of copper from its sulphide ore. Write the balanced equations involved in the process. Spread the word. Share the link on social media. Share. Facebook; Sign Up. Sign Up to our social questions and Answers Engine to ask questions, answer people''s questions, and connect with other people.

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Copper Mining and Extraction Sulfide Ores

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. Ores near the surface can be quarried after removal of …

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Recovery of Cobalt and Copper From Complex Sulfide ...

H202 oxidation and pH control to remove iron and arsenic. (3) copper solvent extraction with a mixed hydroxyoxime-amine extractant. (4) cop­ per electrowinning from recirculating acidic strip liquor. (5) selective cobalt extraction from copper solvent extraction raffinate with a phos­

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Explain the steps for the extraction of copper fro

Samar Arzoo. Given below are the steps for the extraction of copper from its Sulphide ore: a)Concentration of the ore: Removal of unwanted metals and gangue to purify the ore is done by Froth floatation method as it is a sulphide ore. b)Roasting: Copper glance (Cu 2 S) is roasted in the presence of air. c) Reduction: Copper oxide is then heated ...

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Extraction Of Copper | Mining, Concentration, Smelting ...

Copper Smelting means that the concentrated ore is heated strongly with silicon dioxide (silica), calcium carbonate (CaCO 3) and air in a furnace. The major steps in the extraction of copper are. Copper in Chalcopyrite is reduced to copper sulphide. Just …

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In the extraction of copper from its sulphide ore, the ...

2018-12-23 · Extraction of copper directly from sulphide ore is less favourable than from its oxide through reduction. Explain. asked Dec 18, 2017 in Chemistry by sforrest072 ( 128k points)

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OMTEX CLASSES: Extraction of copper from its sulphide ore.

2021-9-10 · Extraction of copper from its sulphide ore. Ans. i. The concentrated copper sulphide ore is roasted in air when a part of copper sulphide is oxidized to copper oxide. Copper oxide formed above reacts with the remaining copper sulphide to form copper metal and sulphur dioxide.

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How is copper extracted from its sulphide ore? Explain the ...

 · Answer:In the extraction of copper from its Sulphide Ore, when ore is subjected to roasting some of it is oxidised to Cu2O which reacts with the remaining Cu2S to give copper metal. In this process, Cu2S behaves as reducing agent. 2Cu2S+3O2+heat→2Cu2O(s)+2SO2(g) 2Cu2O+Cu2S+heat→ 6Cu(s)+SO2(g) In electrolytic refining of copper, the ...

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AMPHIBOLE CONTROL ON COPPER SYSTEMATICS IN …

Copper, sourced from porphyry deposits formed in arc settings, is a critical resource, and is primarily sourced from magmas. However, the processes that shape the copper contents of arc magmas are ...

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In the extraction of copper from its sulphide ore, the ...

In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with (2015, 2012)

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Acid leaching of oxide–sulfide copper ore prior the ...

2015-11-26 · Oxide–sulfide copper ore was sampled from the ore body Cerovo C1 (south deposit) and used in this study. The chemical composition of the ore sample is pre-sented in Table 1. From Table 1, it can be seen that the high copper concentration is in the sample, as well as the high copper oxide content, while the sulfide copper concentration is lower.

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