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Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 24 (Q.No. 7)
Chemical Engineering Basics
7.
Limestone is added in the blast furnace (during pig iron manufacture) to
form slag by combining with impurities.
supply heat by undergoing exothermic reaction with impurities.
reduce the coke consumption.
reduce slag viscosity.
Answer: Option
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