1223. Basicity [%Cao + %MgO/% SiOâ‚‚) of the slag in Indian blast furnace is in the range of

by
A. 0.7-1.0
B. 1.1-1.4
C. 1.5 – 1.8
D. 2.0 – 2.5
✅ The correct answer is option B.

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