The product of a commercial direct reduction process is___________________?
Correct answer: C. Sponge iron
- A. Liquid iron
- B. Solid iron
- C. Sponge iron
- D. Iron saturated with carbon
Explanation
Direct reduction removes oxygen from iron ore in the solid state, so the product remains porous solid iron known as sponge iron. Liquid iron is produced by smelting reduction or blast-furnace operation.
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