The method used for the enrichment of sulphide ores of copper is

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Answer :

The method used for the enrichment of sulphide ores of copper is A. Mangetic Separation B. Froth floatation process C. Electro refining D. Smelting

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Description : Which of the following faction is of no significance for roasting sulphide ores to the oxide and not subjecting the sulphide ores in carbon reduction

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Description : Which of the following set of elements mostly occur as sulphide ores.

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Description : Generally sulphide ores are concentrated by following process

Last Answer : Generally sulphide ores are concentrated by following process A. Hand picking B. Washing with water C. Leaching D. Froth floatation

Description : The process of purifying Sulphide ores?

Last Answer : Froth Flotation process

Description : Froth floatation is the most suitable for treating (A) Iron ores (B) Sulphide ores (C) Quartzite (D) None of these

Last Answer : (B) Sulphide ores

Description : There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. (A) Classification (B) Tabling (C) Jigging (D) Froth floatation

Last Answer : (D) Froth floatation

Description : Unreacted core model' represents the reaction involving (A) Combustion of coal particles (B) Roasting of sulphide ores (C) Manufacture of carbon disulphide from elements (D) None of these

Last Answer : (B) Roasting of sulphide ores

Description : Concentration of sulphide ores is done usually by (A) Roasting (B) Smelting (C) Froth floatation (D) Electromagnetic separation

Last Answer : (C) Froth floatation

Description : The most suitable method for extraction of copper from low grade sulphide ore is

Last Answer : The most suitable method for extraction of copper from low grade sulphide ore is A. Smelting ... process C. Leaching process D. Electrolytic process

Description : how many of the following are ores of copper chalopyrite Cuprite , chalcoite ,malachite Azurite ,Bornite ,Limonite ,Zicite ,Braunite .

Last Answer : how many of the following are ores of copper chalopyrite Cuprite , chalcoite ,malachite Azurite ,Bornite ,Limonite ,Zicite ,Braunite .

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Description : Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite `(CuSO

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Description : In which State is Khetri the area known for copper ores, situated? (1) Himachal Pradesh (2) Assam (3) Rajasthan (4) Karnataka

Last Answer : (3) Rajasthan Explanation: Khetri Nagar is a town in Jhunjhunu district of Rajasthan in India. It is known for its Copper Project. The township of Khetri Nagar is built and is under control of the Hindustan Copper Limited, a public sector unit under Government of India.

Description : The ores of Copper?

Last Answer : Malachite & Chalcolite

Description : At a site, low grade copper ores are available and zinc and iron seraps are also available. Which of the two seraps will be more suitable for reducing the leached copper ore and why ?

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Description : Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig

Last Answer : Answer: Option A

Description : (A) Auto reduction of ore is used for the extraction of copper (R ) The sulphide ore of copper reacts with its oxide to the give the metal

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Description : What are the elements that make up copper sulphide?

Last Answer : Copper sulfide contain copper and sulfur.

Description : Copper and Silver lie below in the electrochemical series and yet they are found in the combined state as sulphide in nature.Comment.

Last Answer : Ans. : Due to high polarizing power of Cu and Ag ions, their sulphides are even more stable than the metals. 

Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

Description : Which oil is used in the floatation method for the purification of ores? -General Knowledge

Last Answer : The answer is 'Pine oil'

Description : Which one of the following ores is best concentrated by froth flotation method:

Last Answer : Which one of the following ores is best concentrated by froth flotation method: A. magnetite B. cassiterite C. galena D. malachite.

Description : Which one of the following ores is best concentrated by froth flotation method:

Last Answer : Which one of the following ores is best concentrated by froth flotation method: A. KCN B. NaCN C. Sodium ethyl Xanthalate D. Copper sulphate

Description : Pick out the wrong statement: (A) Magnetic separation method can be employed to treat both dry & wet ores (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed ... ) Gyratory crusher is used for coarse crushing (D) Screens are of stationary, moving and vibratory types

Last Answer : (B) Reduction ratio in crushing operation is defined as the ratio of minimum feed size to the maximum product size

Description : Which oil is used in the floatation method for the purification of ores?

Last Answer : Hole

Description : Describe the method used for concentration of sulphide ore. 

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Description : Can you have genuine representative government in a land where a route to self enrichment lies through a "successful" political career.

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Description : CFC a byproduct in uranium enrichment process?

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Description : Nutrient enrichment of water bodies causes

Last Answer : Nutrient enrichment of water bodies causes A. Stratification B. Eutrophication C. Succession D. None of the above

Description : Enrichment of uranium is made by :

Last Answer : Enrichment of uranium is made by : A. distillation B. diffusion C. evaporation D. bleaching

Description : What factors job rotation job enlargement and job enrichment does Frederick Herzberg say motivate employees the most?

Last Answer : Need answer

Description : How might an enrichment culture be used to isolate bacteria capable of degrading pesticides and other hazardous wastes?

Last Answer : Feel Free to Answer

Description : What is the difference between conversion and enrichment ?

Last Answer : The process of converting the non fissile U 38 to fissile U-35 is also called Conversion . The material like U 38 which can be converted to a fissile material by the neutron flux is called ... .7% in natural uranium to to 4%. This is called enrichment and is accomplished in an enrichment plant.

Description : Enrichment of uranium is done to increase the concentration of__________ in the natural uranium. (A) U-238 (B) U-233 (C) U-235 (D) Pu-239

Last Answer : (C) U-235

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Last Answer : (B) Uranium hexafluoride

Description : What is Job enrichment?

Last Answer : Making the jobs more interesting and challenging one is known as job enrichment. It is used to motivate and satisfy the workforces in the work place.

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Last Answer : (a)Allotropy existence of a chemical element in two or more different forms For example, the element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a ... igneous rocks have been described, most of them formed beneath the surface of the Earth's crust.

Description : Write briefly about any five of the following a. Nuclear radiation b. Theodolite c. Dialysis d. Enrichment of Uranium e. Richter Scale f. Aqua regia g. Iodized salt

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Description : A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are ... and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available

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Description : The principle of enrichment of uranium is

Last Answer : Graham’s law of diffusion.

Description : How is the Graham’s law of diffusion useful in the enrichment of Uranium? Explain.

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Description : What is the need for enrichment of uranium?

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Description : What is meant by enrichment of uranium?

Last Answer : The process of separating92 U235and 92 U 238isotopes is called enrichment of uranium.