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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. |
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Answer» Solution :(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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