During the extraction of iron, the limestone fed into the blast furnace produces CaO which removes
A.
excess air
B.
unburnt coke
C.
earthy impurities
D.
molten iron
Answer: C
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.