1.

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)

Answer»

i and ii
III and IV
ii and iii
i and iv.

Solution :(B,D)


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