What is the role of coke in the extraction of iron from its oxides ?

Explanation

To understand the role of coke in the extraction of iron from its oxides, we can break down the process into several steps:

### Step-by-Step Solution:

1. **Understanding Iron Extraction**:
- Iron is primarily extracted from its ores, mainly iron oxides such as hematite (Fe₂O₃) and magnetite (Fe₃O₄). The extraction process typically occurs in a blast furnace.

**Hint**: Remember that iron is mainly found in its oxidized form in ores.
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