JAMB - Chemistry (1990 - No. 16)
The major component of the slag from the production of iron is?
an alloy of calcium and iron
coke
impure iron
calcium trioxosilicate (IV)
Explanation
Blast furnace slag is a nonmetallic coproduct produced in the process. It consists primarily of silicates, aluminosilicates, and calcium-alumina-silicates
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