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What is the role of lime stone in the ex...

What is the role of lime stone in the extraction of iron from the concentrated hematite ore ?

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Flux OR removes silica gangue as slag.
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What is the role of lime stone in the extraction of iron from the concentrated haematite ore ?

What is the role of lime stone and coke in the extraction of iron using blast furnace?

The flux used in the extraction of iron from haematite in the blast furnace is :

(i) Draw a neat labelled diagram of blast furnace used for the extraction of iron and mention different zones. (ii) What is the role of coke and lime stone during the extraction of cast iron?

What is concentration of ores ?

The main reactions occurring in blast furnace during extraction of iron from haematite are i. Fe_(2)O_(3)+3COto2Fe+3CO_(2) ii. FeO+SiO_(2)toFeSiO_(3) iii. Fe_(2)O_(3)+3Cto2Fe+3CO iv. CaO+SiO_(2)toCaSiO_(3)