Roasting of copper pyrites is done:

Roasting of copper pyrites is done:
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Roasting of copper pyrites is done: A. to remove moisture and volatiaile impurities B. C. D.
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Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and ... D. `Cu_(2)O +FeO`(large amount).

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then ... CaSiO_(3)` D. `Cu_(2)O.SiO_(2)`

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and ... (3)` D. To check the reduction of FeO

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Description : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matt

Last Answer : Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then ... O` D. `CuCO_(3).Cu(OH)_(2)`

Statement-1: Silica is added as a flux in reverberatory furnance, in the extraction of copper from copper pyrites. Statement-2: Silica decreases the m

Description : Statement-1: Silica is added as a flux in reverberatory furnance, in the extraction of copper from copper pyrites. Statement-2: Silica decreases the m

Last Answer : Statement-1: Silica is added as a flux in reverberatory furnance, in the extraction of copper from ... Statement-1 is false but Statement -2 is true

When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Description : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Last Answer : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present ... a basic flux D. CaO, which is a basic flux

Roasting of copper ore is carried out in which of the following furnace?

Description : Roasting of copper ore is carried out in which of the following furnace?

Last Answer : Roasting of copper ore is carried out in which of the following furnace? A. Reverberatory furnace B. ... furnace or blast furnace D. Neither 1 nor 2

Copper is refined by - (1) roasting (2) oxidation (3) electrolysis (4) zone refining

Description : Copper is refined by - (1) roasting (2) oxidation (3) electrolysis (4) zone refining

Last Answer : (1) roasting Explanation: Copper is refined by the method of roasting. In the roaster, the copper concentrate is partially oxidised to produce "calcine" and sulfur dioxide gas. In roasting, the ... ore concentrate is treated with very hot air. This process is generally applied to sulphide minerals.

By which process copper is refined ------? A. Roasting (Answer) B. Oxidation C. Zone Refining D. Electrolysis

Description : By which process copper is refined ------? A. Roasting (Answer) B. Oxidation C. Zone Refining D. Electrolysis

Last Answer : A. Roasting (Answer)

Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Description : Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Last Answer : ANSWER: X -- ELECTROLYSIS

Copper is refined by (1) roasting (2) oxidation (3) electrolysis (4) zone refining

Description : Copper is refined by (1) roasting (2) oxidation (3) electrolysis (4) zone refining

Last Answer : roasting

(A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

Description : (A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

Last Answer : (A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ... . If (A) is incorrect but (R ) is correct

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

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

Last Answer : (C) Froth floatation

Roasting of metallurgical ores is done mainly to (A) Dehydrate it (B) Sinter the ore (C) Remove CO2 & H2O (D) Remove arsenic & sulphur

Description : Roasting of metallurgical ores is done mainly to (A) Dehydrate it (B) Sinter the ore (C) Remove CO2 & H2O (D) Remove arsenic & sulphur

Last Answer : (D) Remove arsenic & sulphur

Calcination of iron ores is done (A) To remove moisture (B) To remove carbonic acid (C) By roasting in heaps (D) All the above

Description : Calcination of iron ores is done (A) To remove moisture (B) To remove carbonic acid (C) By roasting in heaps (D) All the above

Last Answer : Answer: Option D

Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Description : Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Last Answer : The answer is 'Roasting'

Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Description : Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Last Answer : answer:

Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Description : Heating pyrites in air to remove sulphur is known as which name? -General Knowledge

Last Answer : answer:

Can pyrites be silver in color?

Description : Can pyrites be silver in color?

Last Answer : Need answer

The ore of Aluminium is - (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Description : The ore of Aluminium is - (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Last Answer : (2) Bauxite Explanation: Bauxite, an aluminium ore, is the world's main source of aluminium. Bauxite is priinarily comprised of aluminum oxide compounds (alumina), silica, iron oxides and titanium dioxide. It is refined through the Bayer chemical process into alumina.

Burning pyrites ore gives out – (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

Description : Burning pyrites ore gives out – (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

Last Answer : (2) Sulphur dioxide gas Explanation: The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS9. Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric acid.

Heating pyrites in air to remove sulphur is known as which name?

Description : Heating pyrites in air to remove sulphur is known as which name?

Last Answer : Roasting

Chance process is used for the (A) Cleaning of coal (B) Concentration of iron ore (C) Concentration of pyrites (D) Water treatment

Description : Chance process is used for the (A) Cleaning of coal (B) Concentration of iron ore (C) Concentration of pyrites (D) Water treatment

Last Answer : (A) Cleaning of coal

The chemical formula of iron pyrites is— (A) FeSO 4 (B) FeS (C) FeS 2 (D) Fe 2 (SO 4 ) 3

Description : The chemical formula of iron pyrites is— (A) FeSO 4 (B) FeS (C) FeS 2 (D) Fe 2 (SO 4 ) 3

Last Answer : (C) FeS 2

Average sulphur content in Indian pyrites is about __________ percent. (A) 15 (B) 35 (C) 55 (D) 70

Description : Average sulphur content in Indian pyrites is about __________ percent. (A) 15 (B) 35 (C) 55 (D) 70

Last Answer : (B) 35

Which of the following is an endothermic reaction? (A) Absorption of SO3 in 98% H2SO4 (B) C + H2O = CO + H2 (C) Thermal dissociation of iron pyrites (D) Both (B) and (C)

Description : Which of the following is an endothermic reaction? (A) Absorption of SO3 in 98% H2SO4 (B) C + H2O = CO + H2 (C) Thermal dissociation of iron pyrites (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

The chamber process is (A) Preferred over contact process for producing 98 to 100% H2SO4 and various oleums (B) Non-catalytic and operates only on pyrites (C) A batch process for directly producing high strength (98 to 100%) H2SO4 (D) None of these

Description : The chamber process is (A) Preferred over contact process for producing 98 to 100% H2SO4 and various oleums (B) Non-catalytic and operates only on pyrites (C) A batch process for directly producing high strength (98 to 100%) H2SO4 (D) None of these

Last Answer : (D) None of these

Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Description : Upto a maximum of 72% of iron, is available in (A) Magnetite (B) Limonite (C) Siderite (D) Iron pyrites

Last Answer : Answer: Option A

The ore of Aluminium is (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Description : The ore of Aluminium is (1) Fluorspar (2) Bauxite (3) Chalco pyrites (4) Hematite

Last Answer : Bauxite

Burning pyrites ore gives out (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

Description : Burning pyrites ore gives out (1) Carbon dioxide gas (2) Sulphur dioxide gas (3) Nitrogen dioxide gas (4) Nitric oxide gas

Last Answer : Sulphur dioxide gas 

What is the difference between baking and roasting?

Description : What is the difference between baking and roasting?

Last Answer : You bake a pie or cake or muffins and roast a ham or rib roast or turkey.

What is the down side of roasting, baking or cooking vegetables whole?

Description : What is the down side of roasting, baking or cooking vegetables whole?

Last Answer : Healthwise, not a problem. Depending on the water content of the vegetable, it could explode.

What does roasting have to do with running for the presidency and Catholicism?

Description : What does roasting have to do with running for the presidency and Catholicism?

Last Answer : The Alfred E. Smith Dinner had been held since the 1940s. They pretty much always include a lot of good-natured humor and ribbing. Taking one night out to poke a little fun at each other and, often, yourself, hardly trivializes the presidency.

Why doesn't roasting or grilling chicken outdoors alarm the birds and other animals in the area?

Description : Why doesn't roasting or grilling chicken outdoors alarm the birds and other animals in the area?

Last Answer : No. Animals smell but they don’t have the ability to reason out what it is. Roasting chicken (or any other flesh) doesn’t alarm any other animals either.

Easy ways to clean a roasting rack?

Description : Easy ways to clean a roasting rack?

Last Answer : answer:If you can find a pot big enough to immerse all of it or part of it, fill that pot with water, and dump in a teaspoon or more of automatic dishwasher detergent. bring the pot to a simmer ... an SOS pad, and then if necessary, repeat. I've also had similar results with wash off paint remover.

What's your method for roasting peppers?

Description : What's your method for roasting peppers?

Last Answer : On the grill, open flame, whole

Got any tips on roasting peanuts?

Description : Got any tips on roasting peanuts?

Last Answer : Don’t forget the salt!

Does anyone who has ever roasted a goose have any goose roasting tips?

Description : Does anyone who has ever roasted a goose have any goose roasting tips?

Last Answer : I have roasted a goose, but mine came from the store with all the feathers already gone, including the little hair-like ones. These are called pin feathers. If you plan to eat the skin ( ... flavorful things. You can get some ideas here. I roasted mine stuffed with potatoes, pears and onions.

How do you make a pig roasting spit?

Description : How do you make a pig roasting spit?

Last Answer : Fill his mouth with soda and tell him a funny joke!!

What does it mean to be roasting?

Description : what kind of animal is being shot?

Last Answer : A half-year-old pig that is killed not for its fat but for its meat.

Choose the correct option the code regarding roasting process. (I) It is the process of heating the ore in air in a reverberatory furnace to obtain th

Description : Choose the correct option the code regarding roasting process. (I) It is the process of heating the ore in air in a reverberatory furnace to obtain th

Last Answer : Choose the correct option the code regarding roasting process. (I) It is the process of heating the ore in air ... III and IV D. I , II , III and IV

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

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

Last Answer : Which of the following faction is of no significance for roasting sulphide ores to the oxide and ... are thermodynamically more stable than `CS_(2)`

Match the conversions in Column I with the type(s) of reaction(s) given in Column II. `{:("Column I","ColumnII"),(A. "PbS"rarr"PbO",p. "Roasting"),(B.

Description : Match the conversions in Column I with the type(s) of reaction(s) given in Column II. `{:("Column I","ColumnII"),(A. "PbS"rarr"PbO",p. "Roasting"),(B.

Last Answer : Match the conversions in Column I with the type(s) of reaction(s) given in Column II. `{:("Column I","ColumnII"),(A. ... D. a-p, s: b-p,q : c-p: d-s

Roasting is carried out to :

Description : Roasting is carried out to :

Last Answer : Roasting is carried out to : A. convert sulphide to oxide and sulphate B. remove water of ... melt the ore D. remove arsenic and sulphur impurities

Out of `Cu_(2)S,HgS,Ag_(2)S` and ZnS roasting will convert the mineral in to metal case of

Description : Out of `Cu_(2)S,HgS,Ag_(2)S` and ZnS roasting will convert the mineral in to metal case of

Last Answer : Out of `Cu_(2)S,HgS,Ag_(2)S` and ZnS roasting will convert the mineral in to metal case of A. `Cu_(2)S,Zns` B. Hgs,ZnS C. `Cu_(2)S,Ag_(2)S` D. HgS

The chemical reaction that involves roasting process is :

Description : The chemical reaction that involves roasting process is :

Last Answer : The chemical reaction that involves roasting process is : A. `Fe_(2)O_(3)+3COto2Fe+2CO_(2)` B. `2Al+ ... to2ZnO+3SO_(2)` D. `FeO+SiO_(2)toFeSiO_(3)`

Roasting is carried out in case of:

Description : Roasting is carried out in case of:

Last Answer : Roasting is carried out in case of: A. Iron pyrites B. Galena C. Copper glance D. All

In sulphation roasting of `ZnS` products are

Description : In sulphation roasting of `ZnS` products are

Last Answer : In sulphation roasting of `ZnS` products are A. `ZnO+ZnSO_(4)+SO_(2)` B. `ZnCl_(2)` C. `ZnO+SO_(2)` D. `Zn+SO_(2)`

Which of the following metals can be oriented directly during the roasting of its sulphide ore

Description : Which of the following metals can be oriented directly during the roasting of its sulphide ore

Last Answer : Which of the following metals can be oriented directly during the roasting of its sulphide ore A. Hg B. Zn C. Fe D. Ca

What size roasting pan do I need?

Description : What size roasting pan do I need?

Last Answer : You can use the 17x11 size or the 19x14 size. If you think this is the absolute largest turkey you are ever going to cook, then I'd go with the 17x11. If you think that you may want to cook a 25 pounder in the future then opt for the 19x14.