KCET 2019 Chemistry Solved Paper
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Question : 41 of 60
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Among the following, the main reactions occurring in blast furnace during extraction of iron from haematite are:
i.F e 2 O 3 O 2
ii. FeO + SiO 2 O 3
iii.F e 2 O 3
iv. CaO + SiO 2 O 3
i.
ii. FeO + Si
iii.
iv. CaO + Si
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