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concentration of copper ore is carried out by which process

the concentration of the ore is carried out by the

The concentration of the ore is carried out by the following methods : (i) Crushing and Grinding : The huge lumps are first broken into small pieces in the jaw crushers and then powdered with the help of a ball mill or stamp mill. This process is termed as pulverisation

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extraction of copper from copper pyrite | grade 12 science

The different steps in extraction of copper are: Crushing and Concentration: The ore obtained from mines are broken down into small piece by jaw crusher and then pulverized. The ore being sulphide ore is concentrated by froth floatation process

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mcq questions for class 12 chemistry chapter 6 general

2020-9-4 · Sulphide ore of zinc/copper is concentrated by (a) floatation process (b) electromagnetic process (c) gravity separation (d) distillation. Answer. Answer: (a) floatation process

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froth floatation process - icbse

Froth Floatation Process In some cases for example, sulphides ores of copper, zinc and lead concentration is brought by this method. In this method advantage is taken of the referential wetting of the ore by an oil.The finely ground ore is taken in a tank containing water and 1% of pine oil or terpentine oil

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cbse class 12 chemistry notes : principal and processes of

2019-4-22 · Leaching is the process in which the ore is concentrated by chemical reaction with a suitable reagent which dissolves the ore but not the impurities, e.g., bauxite is

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mineral processing - concentration | britannica

Flotation makes possible the processing of complex intergrown ores containing copper, lead, zinc, and pyrite into separate concentrates and tailings—an impossible task with gravity, magnetic, or electric separation methods. In the past, these metals were

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how copper is made - material, used, processing, steps

The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product. Each process consists of several steps in which unwanted materials are physically or chemically removed, and the concentration of copper

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extractive metallurgy of copper | sciencedirect

The concentration of these minerals in an ore body is low. Typical copper ores contain from 0.5% Cu to 1 or 2% Cu. Pure copper metal is mostly produced from these ores by concentration, smelting, and refining. About 80% of the world's copper-from-ore is produced by concentration/smelting/ refining of sulfide ores

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ways to recover metals from electronic waste

2012-12-5 · But there are some risks with this process as certain dangerous gases like hydrogen bromide can get emitted during the process while burning Printed circuit boards. Pyrometallurgical Recovery. This process is carried out by addition of copper ore

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sulphide ores of metals are usually concentrated by froth

> Concentration of Ores ... chemistry. Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by chemical leaching? A. ... Write the names of chemical substances used for leaching of ore containing silver and Gold. Medium. View solution. View

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samacheer kalvi 12th chemistry solutions chapter 1

2020-1-20 · The process of heating an ore (generally, sulphide are) is strongly below its melting point in the presence of an excess of air is called roasting. Question 13. Define Calcination. Answer: It is the process in which the concentrated ore is strongly heated in the absence of air. This method can also be carried out with a limited supply of air

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