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MCQ Questions Class 12 Chemistry General Principles and

In the extraction of copper from its sulphide ore the metal is finally obtained by the reduction of cuprous oxide with (a) iron(II) sulphide (b) carbon monoxideGet price

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How Extraction of Copper from Copper Pyrites?

The copper pyrite is partly converted into sulphides of copper and iron 2CuFeS 2 + O 2 → Cu 2 S + 2FeS + SO 2 2FeS + 3O 2 → 2FeO + 2SO 2 The Process in summary: The concentrated oreGet price

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mineral resources of azerbaijan

Technological features of ores were studied on 34 lab tests (weight up to 7 tons) and 2 half-industry tests (weight up to 1-3 6 thousand tons) and as a result of obtainment of lead-zinc copper and Get price

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EXTRACTION OF COPPER

Ores containing 4% or more copper are treated by smelting process Very poor ores are treated by hydro-metallurgical process EXTRACTION OF COPPER BY SMELTING PROCESSGet price

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General Principles And Processes Of Isolation<

Sulfide ores of metals are usually concentrated by froth floatation process Which one of the following sulphide ores offer an exception and is concentrated by chemical leaching? (2007)Get price

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General Principles and Processes of Isolation of Elem

For example copper pyrite (CuFeS 2) calamine (ZnCO 3) etc are minerals A mineral from which metal can be economically extracted in a maximum amount is called an ore Some examples of oresGet price

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Extraction of Copper from Copper pyrite

The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are: Crushing and Concentration: The <Get price

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12 3 Primary Copper Smelting

12 3 2 Process Description2-4 Mining produces ores with less than 1 percent copper Concentration is accomplished at the mine sites by crushing grinding and flotation purification resulting iGet price

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General Principles and Processes of Isolation of Elem

For example copper pyrite (CuFeS 2) calamine (ZnCO 3) etc are minerals A mineral from which metal can be economically extracted in a maximum amount is called an ore Some examples of oresGet price

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How Extraction of Copper from Copper Pyrites?

The copper pyrite is partly converted into sulphides of copper and iron 2CuFeS 2 + O 2 → Cu 2 S + 2FeS + SO 2 2FeS + 3O 2 → 2FeO + 2SO 2 The Process in summary: The concentrated oreGet price

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MCQ Questions For Class 12 General Principles and

Question Calcination is the process in which : (a) ore is heated above its melting point to expel H 2 O or CO 2 or SO 2 (b) ore is heated below its melting point to expel volatile impurities (cGet price

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copper extraction and purification

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 Get price

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Copper Flotation

Copper Flotation Process Summary Flotation of Copper Ores In most plants engaged in the flotation of ores containing copper-bearing sulphide minerals with or without <Get price

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Extraction of Copper from Copper pyrite

The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are: Crushing and Concentration: The <Get price

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Copper Pyrite Ores Isolation Process

Copper Pyrite Ores Isolation Process Copper Processing Equipment Process Flow Cases - JXSC Copper sulfide ore flotation Copper sulfide ore classifi ion 1Get price

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copper processing

Extraction and refining The extraction of copper from ore is normally carried out in three major steps The first step mineral processing is to liberate the copper minerals and remove Get price

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12 3 Primary Copper Smelting

12 3 2 Process Description2-4 Mining produces ores with less than 1 percent copper Concentration is accomplished at the mine sites by crushing grinding and flotation purification resulting iGet price

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Extraction of Copper from Copper pyrite

The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are: Crushing and Concentration: The <Get price

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How Extraction of Copper from Copper Pyrites?

The copper pyrite is partly converted into sulphides of copper and iron 2CuFeS 2 + O 2 → Cu 2 S + 2FeS + SO 2 2FeS + 3O 2 → 2FeO + 2SO 2 The Process in summary: The concentrated oreGet price

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LEACHING OF LOW

present in sulphide ores of copper can be leached only in the presence of oxidants or with the help of bacteria from the genus Acidithiobacillus (formerly Thiobacillus) which are isolated froGet price

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Metallurgy of copper

IMPORTANT ORES OF COPPER 1 Copper pyrite or chalcopyrite CuFeS2 2 Chalcocite or copper glance Cu2S 3 Malachite green [CuCO3 Cu(OH)2] 4 Azurite blue [2CuCO3 Cu(OH)2] 5 Bornite Get price

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Copper and Pyrite Separation by Selective and Sequential

The copper pyrite separation Process Flowsheet Crushing circuit of a copper pyrite ore The crushing section shown consists of single stage crushing with a Forced Feed Jaw Crusher The mine run ore<Get price

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general principles and processes of isolation<

Extraction of iron metal from iron oxide ore is carried out by heating with coke and flux (calcium carbonate) Flux is a slag forming substance It converts infusible impurities into fusible slag Fe 2 O 3 (sGet price

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copper extraction and purification

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 lGet price

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Objectives General Principles and Gener Processes

The extraction and isolation of metals from ores involve the following major steps: • Concentration of the ore • Isolation of the metal from its concentrated ore and • PurificatiGet price

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12 3 Primary Copper Smelting

Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates Process steps include mining concentration roasting smelting converting and finally firGet price

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MCQ Questions for Class 12 Chemistry Chapter 6 General

Concentration of sulphide ore is done by (a) froth flotation process (b) electrolysis (c) roasting (a) iron (b) copper (c) zinc (d) Sliver Answer Answer: (b) copper Question 3 ForGet price

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Which of the following ores is not concentrated b

Copper pyrite is a sulphide ore (C u F e S 2 ) Pentlandite is an iron-nickel sulphide ore (F e N i) 9 S 8 and zinc blende (Z n S) is also a sulphide ore hence it is concentratGet price

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Roasting of copper pyrites is done:

to decompose pyrites into Cu 2 S and FeS During roasting of copper pyrite ore: (A) moisture is removed and sulphur arsenic and antimony are removed in the form of their volatile oxides (B) FrGet price

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