JAMB Chemistry
The most common ores of iron include
a.
Haematite, malachite and limonite
b.
Chalcocite, calamine and bornite
c.
Magnetite, haematite and limonite
d.
Malachite, chalcocite and bornite
Correct answer: C
The most common ores of iron are magnetite (72.4% pure), hematite (69.9% pure), goethite (62.9% pure) and limonite (55% pure).