Limestone Is Added to the Iron Producing Mixture in a Furnace

question 47

Multiple Choice

Limestone is added to the iron producing mixture in a furnace to

• A)add carbon to the mixture.
• B)provide an additional reducing agent to extract all of the iron from the ore.
• C)combine with silicates to remove impurities in the form of a slag.
• D)produce a more corrosion resistant iron.

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