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Draw a neat diagram of blast furnance an...

Draw a neat diagram of blast furnance and describe and describe the reaction that occurs during extraction of cast iron in furnace at.
(i) `600^(@)C`
(ii) `900^(@)C-1000^(@)C`.

Text Solution

Verified by Experts

(i) Carbon monoxide reduces ferric oxide to iron
`Fe_(2)O_(3)+3COrarr2Fe+3CO_(2)`
(ii) Calcium carbonate decomposes to calcium oxide and carbon dioxide
`CaCO_(3)rarrCaO+CO`
Calcium oxide converts sitica gangue into calcium silicate slag
`CaO+SiO_(2)rarrCaSiO_(3)`
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