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Engineering Materials

Q1: The limestone in the charge of a blast furnace decomposes to give lime and carbon dioxide. The lime thus obtained

A controls the grade of pig iron

B acts as an iron-bearing mineral

C supplies heat to reduce ore and melt the iron

D forms a slag by combining with impurities

ANS:D - forms a slag by combining with impurities

Explanation: No answer description is available. 



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