During the extraction of iron in the blast furnace ,A. Coke acts as reducing agent in the lower zone and CO acts as reducing agent in the upper zoneB. CO acts as reducing agent in the lower zone and Coke acts as reducing agent in the upper zoneC. Coke acts as reducing agent in the lower zone and CO acts as oxidising agent in the upper zoneD. CO acts as reducing agent in the upper zone and Coke acts as reducing agent in the upper zone

During the extraction of iron in the blast furnace ,A. Coke acts as re

1.	During the extraction of iron in the blast furnace ,A. Coke acts as reducing agent in the lower zone and CO acts as reducing agent in the upper zoneB. CO acts as reducing agent in the lower zone and Coke acts as reducing agent in the upper zoneC. Coke acts as reducing agent in the lower zone and CO acts as oxidising agent in the upper zoneD. CO acts as reducing agent in the upper zone and Coke acts as reducing agent in the upper zone
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