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what is the role of limestone in a process of extraction of iron
what is the role of limestone in extraction of iron??
The main role of limestone in extraction of iron is to decomposes in hot furnace and form the calcium oxide. Iron is extracted from its ore, haematite, in a blast furnace. The ore is fed into the top of the furnace along with coke and limestone. ... The limestone decomposes in the hot furnace, forming calcium oxide.
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What is the role of Limestone in the extraction of iron ...
2022-2-1 · What is the role of Limestone in the extraction of iron from its oxide Fe 2 O 3? Advertisement Remove all ads. Solution Show Solution. In the extraction of iron, a basic flux limestone is used. Limestone decomposes to form CaO which reacts with silica gangue present in the iron ore is acidic in nature to form calcium silicate (slag).
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What is the role of Limestone in the extraction of Iron ...
2020-8-13 · In the extraction of iron, a basic flux limestone is used. Limestone decomposes to form CaO which reacts with silica gangue present in
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what is the role of limestone in a process of extraction ...
Limestone – Its Processing and Application in Iron and . Calcination of limestone is a thermal treatment process for carrying out the thermal decomposition of the raw limestone and removal of LOI (loss on ignition) or carbon di-oxide (CO2) part of its composition. Calcination process consists of an endothermic reaction which is . Get Price
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What is the Role of Limestone in the Extraction of Iron ...
What is the role of limestone in the extraction of iron from its oxides? Advertisement Remove all ads. Solution Show Solution. Limestone decomposes to form CaO which reacts with silicate impurity in the blast furnace to form slag. CaCO 3 → CaO + CO 2. CaO + SiO 2 → CaSiO 3 (slag)
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What is the role of limestone during the extraction of ...
Flux. Correct Answer: Option (d) Solution: During the extraction of iron from haematite ore, limestone acts as a flux. Limestone decomposes froming CaO which reacts with silica forming slag. C aC O3. . → C aO + C O2. . C aO + S iO2.
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What is the role of Limestone in the extraction of Iron ...
2021-8-18 · What is the role of Limestone in the extraction of Iron from its oxide Fe_(2)O_(3) ?
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Processes and Procedures in the Extraction of Iron ...
2021-12-11 · The extraction of iron from its ores is quite a technical process. The iron ore is first roasted in air to produce iron(III) oxide which is mixed with coke and limestone and then further heated to a very high temperature in a blast furnace. These materials are loaded into the blast furnace from the top while a blast of hot air is introduced into it from beneath via small pipes
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General Principles and Processes of Isolation of Elements ...
2021-3-1 · What is the role of limestone in the extraction of iron from its oxides? (CBSE Al 2016) Answer: Limestone decomposes to form lime (CaO) and carbon dioxide (CO 2). The lime thus produced acts as a flux and combines with silica (present as impurity in oxides of iron) to produce slag. Question 3. How is copper extracted from a low grade ore of it?
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What is the role of Limestone in the extraction of iron ...
2022-2-1 · What is the role of Limestone in the extraction of iron from its oxide Fe 2 O 3? Advertisement Remove all ads. Solution Show Solution. In the extraction of iron, a basic flux limestone is used. Limestone decomposes to form CaO which reacts with silica gangue present in the iron ore is acidic in nature to form calcium silicate (slag).
Read More
What is the Role of Limestone in the Extraction of Iron ...
What is the role of limestone in the extraction of iron from its oxides? Advertisement Remove all ads. Solution Show Solution. Limestone decomposes to form CaO which reacts with silicate impurity in the blast furnace to form slag. CaCO 3 → CaO + CO 2. CaO + SiO 2 → CaSiO 3 (slag)
Read More
What is the role of Limestone in the extraction of Iron ...
2021-8-18 · What is the role of Limestone in the extraction of Iron from its oxide Fe_(2)O_(3) ?
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What is the role of limestone during the extraction of ...
Flux. Correct Answer: Option (d) Solution: During the extraction of iron from haematite ore, limestone acts as a flux. Limestone decomposes froming CaO which reacts with silica forming slag. C aC O3. . → C aO + C O2. . C aO + S iO2.
Read More
Processes and Procedures in the Extraction of Iron ...
2021-12-11 · The extraction of iron from its ores is quite a technical process. The iron ore is first roasted in air to produce iron(III) oxide which is mixed with coke and limestone and then further heated to a very high temperature in a blast furnace. These materials are loaded into the blast furnace from the top while a blast of hot air is introduced into it from beneath via small pipes
Read More
General Principles and Processes of Isolation of Elements ...
2021-3-1 · What is the role of limestone in the extraction of iron from its oxides? (CBSE Al 2016) Answer: Limestone decomposes to form lime (CaO) and carbon dioxide (CO 2). The lime thus produced acts as a flux and combines with silica (present as impurity in oxides of iron) to produce slag. Question 3. How is copper extracted from a low grade ore of it?
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How is limestone used in `Fe` extraction?
C. Solution. Limestone. (CaCO_ (3)) is used for formation of slag in. Fe. extraction. Very Important Questions. The bond order between C and C in acetylene molecule is.
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GLASS-MAKING MATERIALS. - USGS
2011-12-6 · REQUIREMENTS OF LIMESTONE. In its connection with sand as a glass material limestone is of interest to quarrymen. As shown in the table on page 453, limestone enters the batch of several kinds of glass to the extent of about 18 per cent of its mass. The rock is crushed, ground finely, and screened.
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What is the role of silica in extraction of Cu from copper ...
and limestone) at 1200 °C (above the melting point of copper, but below that of the iron and silica) to form a liquid called "copper matte". The high temperature allows reactions to proceed rapidly, and allow the matte and slag to melt, so they can be "tapped out" of the furnace. In the smelting process such chemical reactions are taking place:
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Important Questions for Class 12 Chemistry Chapter 6 ...
2019-12-6 · (in) What is the role of coke in the extraction of » iron from its oxides? (Delhi 2016) Answer: (i) Zone refining is used for refining of Germanium. (ii) Leaching of Alumina or Bayer’s process. (iii) Coke i.e., CO acts as a reducing agent in the extraction of iron from its oxides in the zone of reduction in blast fumance at 1123 K.
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What is the role of Limestone in the extraction of iron ...
2022-2-1 · What is the role of Limestone in the extraction of iron from its oxide Fe 2 O 3? Advertisement Remove all ads. Solution Show Solution. In the extraction of iron, a basic flux limestone is used. Limestone decomposes to form CaO which reacts with silica gangue present in the iron ore is acidic in nature to form calcium silicate (slag).
Read More
What is the Role of Limestone in the Extraction of Iron ...
What is the role of limestone in the extraction of iron from its oxides? Advertisement Remove all ads. Solution Show Solution. Limestone decomposes to form CaO which reacts with silicate impurity in the blast furnace to form slag. CaCO 3 → CaO + CO 2. CaO + SiO 2 → CaSiO 3 (slag)
Read More
What is the role of Limestone in the extraction of Iron ...
2021-8-18 · What is the role of Limestone in the extraction of Iron from its oxide Fe_(2)O_(3) ?
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What is the role of limestone during the extraction of ...
Flux. Correct Answer: Option (d) Solution: During the extraction of iron from haematite ore, limestone acts as a flux. Limestone decomposes froming CaO which reacts with silica forming slag. C aC O3. . → C aO + C O2. . C aO + S iO2.
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limestone | Characteristics, Formation, Texture, Uses ...
Limestone is a sedimentary rock made of calcium carbonate (CaCO 3 ), usually in the form of calcite or aragonite. It may contain considerable amounts of magnesium carbonate (dolomite) as well. However, minor constituents of clay, iron
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ii) what is the role of cryolite in the extraction of ...
(i) Mond’s Process use in the refining of nickel (ii)The melting point of alumina is very high. It is dissolved in cryolite which lowers the melting point and brings conductivity / acts as a solvent. (iii)Limestone is decomposed to CaO ,which removes silica impurity of the ore as slag.
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How Does Limestone Affect the Environment?
2020-4-9 · Limestone can be damaged by the environment through weather and water erosion. The stone absorbs water that can cause it to deteriorate over time. If the water has a high acidity content, the damage is more immediate. Wind can wear away stone detailing. Limestone is also prone to discoloration by exposure to oil, dyes or even organic material ...
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What is the role of silica in extraction of Cu from copper ...
and limestone) at 1200 °C (above the melting point of copper, but below that of the iron and silica) to form a liquid called "copper matte". The high temperature allows reactions to proceed rapidly, and allow the matte and slag to melt, so they can be "tapped out" of the furnace. In the smelting process such chemical reactions are taking place:
Read More
Important Questions for Class 12 Chemistry Chapter 6 ...
2019-12-6 · (in) What is the role of coke in the extraction of » iron from its oxides? (Delhi 2016) Answer: (i) Zone refining is used for refining of Germanium. (ii) Leaching of Alumina or Bayer’s process. (iii) Coke i.e., CO acts as a reducing agent in the extraction of iron from its oxides in the zone of reduction in blast fumance at 1123 K.
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What is the role of coke in the extraction of iron? - Answers
2012-3-14 · Coke does contain iron in the soft drink, however, the iron content may be different for each product. A regular Coke that is 100 grams will contain 0.11 milligrams of
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