(D) . Firstly,carbon which is added along with crushed haematite ore is oxidised to $CO$ (and $CO_2$).Secondly,the produced $CO$ acts as the chief red

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Oxidation followed by reduction

(D) . Firstly,carbon which is added along with crushed haematite ore is oxidised to $CO$ (and $CO_2$).Secondly,the produced $CO$ acts as the chief reducing agent for the reduction of haematite $(Fe_2O_3)$ to iron,which is then processed into steel.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

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The chemical processes in the production of steel from haematite ore involve

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A
Reduction
B
Oxidation
C
Reduction followed by oxidation
D
Oxidation followed by reduction

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General Principles and Processes of Isolation of Elements

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Reduction to free Metal

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The maximum temperature $1550$ $^oC$ is obtained in the ......... region of the blast furnace used in the extraction of iron.

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Steel contains $.....$ percent of carbon.

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Which of the following pair of metals are extracted by self-reduction from their main ores but do not evolve $H_2$ gas with dilute $H_2SO_4$?

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The correct statement regarding the given Ellingham diagram is

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The Hall-Heroult process is represented by which of the following reactions?

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The chemical processes in the production of steel from haematite ore involve

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The maximum temperature $1550$ $^oC$ is obtained in the ......... region of the blast furnace used in the extraction of iron.

Steel contains $.....$ percent of carbon.

Which of the following pair of metals are extracted by self-reduction from their main ores but do not evolve $H_2$ gas with dilute $H_2SO_4$?

The correct statement regarding the given Ellingham diagram is

The Hall-Heroult process is represented by which of the following reactions?

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