Chemistrymedium · Past Paper
The slag formed during the extraction of iron in a blast furnace is:
ACaSiO3
BFeSiO3
CMgSiO3
DZnSiO3
✓ Correct Answer: A — CaSiO3
Calcium silicate (CaSiO3) is formed when the flux (limestone) reacts with silica impurities in the blast furnace.
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