• Plus Two Chemistry Chapter Wise Previous ... - HSSLive

    Plus Two Chemistry Chapter Wise Previous ... - HSSLive

    Dec 18, 2020 a) Which of the ores mentioned in the above table can be concentrated by magnetic separation method? Justify your answer. b) Identify the ores that can be concentrated by leaching. c) What do you mean by leaching? Answer: a) Haematite, Magnetite, Iron pyrites Magnetic separation is based on difference in magnetic properties of the ore components

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  • GSEB Solutions Class 12 Chemistry Chapter 6 General

    GSEB Solutions Class 12 Chemistry Chapter 6 General

    Dec 28, 2020 Which of the ores mentioned in Table 6.1 can be concentrated by magnetic separation method? Answer: Magnetic ores are separated from non-magnetic impurities by the magnetic separation method. For example, magnetic (anion ore) is separated from non-magnetic silica and other impurities by this method. Question 2

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  • The magnetic impurity present in cassiterite ore is

    The magnetic impurity present in cassiterite ore is

    Identify the ores mentioned below which can' be concentrated by magnetic separation method? 1) F e 2 O 3 2) F e C O 3 3) Z n S 4) C u F e S 2

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  • Objectives General Principles and Gener Processes of

    Objectives General Principles and Gener Processes of

    Chemistry 150 Intext Questions 6.1 Which of the ores mentioned in Table 6.1 can be concentrated by magnetic separation method? 6.2 What is the significance of leaching in the extraction of aluminium? 6.3 Extraction of Crude Metal from Concentrated Ore Leaching is often used if the ore is soluble in some suitable solvent

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  • 2nd PUC Chemistry Question Bank Chapter 6 General

    2nd PUC Chemistry Question Bank Chapter 6 General

    Dec 07, 2019 Ores in which one of the components (either the impurity or the ore) is magnetic can be concentrated by magnetic separation method, e.g. Hematite (Fe 2 O 2), magnetite (Fe 3 O 4), siderite (FeCO 3), iron pyrites (FeS) and copper pyrites (CuFeS 2) can be concentrated by magnetic separation method

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  • chapter 6 General Principles and Processes of Isolation of

    chapter 6 General Principles and Processes of Isolation of

    If the ore or the gangue can be attracted by the magnetic field, then the ore can be concentrated by the process of magnetic separation. Among the ores mentioned in table 6.1, the ores of iron such as haematite (Fe 2 O 3), magnetite (Fe 3 O 4), siderite (FeCO 3), and iron pyrites (FeS 2) can be separated by the process of magnetic separation

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  • 25.2 Extracting ores | Mining of mineral resources

    25.2 Extracting ores | Mining of mineral resources

    Rocks with large concentrations of minerals, are called ores. Mining depends on finding good quality ore, preferably within a small area. The next step is to get the rocks which contain the mineral out of the ground. Once the ore is on the surface, the process of getting

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  • Extraction of Aluminium (Aluminium Ore) - Hall

    Extraction of Aluminium (Aluminium Ore) - Hall

    It is first concentrated by gravity separation of ferric oxide impurities by the process of magnetic separation. The ore is then concentrated by chemical process. Bauxite is the name given to aluminium ore. To generate aluminium oxide, bauxite is purified, a white powder form which aluminium can be extracted. Aluminium oxide has a very high

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  • Separation Techniques | Classification of Matter

    Separation Techniques | Classification of Matter

    Mixtures come in many forms and phases. Most of them can be separated, and as already mentioned, the kind of separation method depends on the kind of mixture it is. Below are some common separation techniques: Paper Chromatography. This method is often used in the food industry. It is used to identify chemicals (coloring agents) in foods or

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  • Plus Two Chemistry Model Question Papers Paper 2 - A

    Plus Two Chemistry Model Question Papers Paper 2 - A

    Jan 07, 2019 a. Which of the ones mentioned in the above table can be concentrated by magnetic separation. justify your answer. b. Identify the ones that can be concentrated by leaching. Question 19. The temperature dependence of the rate of a chemical

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  • 25.1 Exploration: Finding minerals | Mining of mineral

    25.1 Exploration: Finding minerals | Mining of mineral

    Magnetic separation. Iron is a metal with magnetic properties. Iron ore can be separated from waste rock by using magnetic separation techniques. Conveyor belts carry the ore past strong electromagnets which remove the magnetic pieces (containing the iron) from the non-magnetic waste. How do you think this works? Study the following diagram

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  • Extraction of Aluminium (Aluminium Ore) - Hall-Heroults

    Extraction of Aluminium (Aluminium Ore) - Hall-Heroults

    It is first concentrated by gravity separation of ferric oxide impurities by the process of magnetic separation. The ore is then concentrated by chemical process. Bauxite is the name given to aluminium ore. To generate aluminium oxide, bauxite is purified, a white powder form which aluminium can be extracted. Aluminium oxide has a very high

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  • 1 Froth Flotation – Fundamental Principles

    1 Froth Flotation – Fundamental Principles

    (a) From Table 1, the Ratio of Concentration can be calculated as F/C = 100/10 = 10. If only assays are available, the ratio of concentration equals (20 – 0.1)/(2.09 – 0.1) = 10 So, for each 10 tons of feed, the plant would produce 1 ton of concentrate. (b) Using the example data from Table 1, the % Cu recovery calculated from weights and

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  • 1.1 PHASES OF A MINING PROJECT

    1.1 PHASES OF A MINING PROJECT

    beginning with mineral ore exploration and ending with the post-closure period. What follows are the typical phases of a proposed mining project. Each phase of mining is associated with different sets of environmental impacts. 1.1.1 Exploration A mining project can only commence with knowledge of the extent and value of the mineral ore deposit

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  • Magnetic separation-sulphuric acid leaching of Cu–Co–Fe

    Magnetic separation-sulphuric acid leaching of Cu–Co–Fe

    Oct 01, 2014 Co–Fe alloy was enriched during the magnetic separation. Owing to the grinding characteristics of matte as mentioned in Section 2.1 and inevitable mechanical entrainment in magnetic separation process, a small amount of the bornite, chalcocite, ferrous sulfide and metal copper still remain in concentrate, as shown in Table 4 and Fig. 3

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  • Samacheer Kalvi 10th Science Solutions Chapter 8 Periodic

    Samacheer Kalvi 10th Science Solutions Chapter 8 Periodic

    Oct 31, 2019 Magnetic separation method: Principle: The magnetic properties of the ores from the basis of separation. When either the ore or the gangue is magnetic, this method is employed, e.g., Tinstone SnO 2, the ore of tin. Method: The crushed ore is placed over a conveyer belt which rotates around two metal wheels, one of which is magnetic

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  • Pyrometallurgy - an overview | ScienceDirect Topics

    Pyrometallurgy - an overview | ScienceDirect Topics

    Iron ore is mined and prepared into “sinter” or pellets for the steel making process. For example, taconite, a common low grade iron ore, is roughly 28 wt% iron in the form of Fe 2 O 3, Fe 3 O 4, and FeCO 3. Using crushing, magnetic separation and other processes, marble-sized pellets with about 50–60% iron are made. Likewise the carbon

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  • AP SSC 10th Class Chemistry Important Questions Chapter

    AP SSC 10th Class Chemistry Important Questions Chapter

    Feb 26, 2021 iv) The container made up of metal D can be used to store any solution mentioned above. Question 4. Write the physical methods used for the concentration of the ore. Explain the method used for concentration of the sulphide ore. (TS June 2017) Answer: Physical methods used for the concentration of the ore is, i) Hand Picking ii) Washing

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  • Dissolution behavior of La₂O₃, Pr₂O₃, Nd₂O₃, CaO and Al₂O₃

    Dissolution behavior of La₂O₃, Pr₂O₃, Nd₂O₃, CaO and Al₂O₃

    May 01, 2013 completely dissolved in 24 h at 180 C. The effect of acid concentration on the dissolution rate was examined by using different acid concentrations of 12, 13, 14 and 15 mol/dm3 at. 170 C. Unlike CeO2, the acid concentration had a negligible

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  • (PDF) PRE-CONCENTRATION OF LATERITIC NICKEL ORE

    (PDF) PRE-CONCENTRATION OF LATERITIC NICKEL ORE

    For Nepoui ore, no sufficient pre-concentration method found. For Tiebaghi UTM ore which is the same ore investigated in this project however, -300 μm size fraction of the sample can be enriched from 3% Ni grade to 3.6 % Ni grade by magnetic separation and from 3.1 % to 4.2 % by flotation with Cytec 6493 hydroxamic acid collector (Frima, 2017)

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  • multiple-choice magnetic separation: Topics by

    multiple-choice magnetic separation: Topics by

    Jun 01, 2018 Apparatus and method for continuous separation of magnetic particles from non-magnetic fluids. DOEpatents. Oder, Robin R.; Jamison, Russell E. 2010-02-09. A magnetic separator vessel (1) for separating magnetic particles from non-magnetic fluid includes a separation chamber having an interior and exterior wall, a top and bottom portion; a magnet (3) having first and second

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  • (PDF) Magnetic separation studies on ferruginous chromite

    (PDF) Magnetic separation studies on ferruginous chromite

    A chromite concentrate of 45.0% Cr2O3 with a Cr:Fe ratio of 2.3 can be produced from the tailing analyzing 17.0% Cr2O3 and Cr:Fe ratio of 0.49. Magnetic separators have unrestricted industrial

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  • (PDF) Leaching Residue of Nickeliferous Laterites as a

    (PDF) Leaching Residue of Nickeliferous Laterites as a

    Upgrading of the ore is performed by heavy media and magnetic separation at the size range 1-20 mm and has a limited effect on its quality. The reason is the fine intergrowth of mineral phases. Only calcite and a small quantity of the quartz are liberated at the size of 1-20 mm and can be removed

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