42nd B.P.S.C. (Pre) 1997-98

Iron is obtained from which of the following minerals?

aLimestone
bPitchblende
cMonazite
dHematite✓ Correct

Explanation

Iron is obtained from the ore hematite ($Fe_2O_3$). Other major ores of iron are magnetite ($Fe_3O_4$), limonite ($FeO(OH)\cdot nH_2O$), and siderite ($FeCO_3$).

general-science