The correct option is
C A−3,B−4,C−1,D−2Solution:-
(A) Bauxite →(Al2O3.2H2O) It is an ore of Aluminium containing 15−20% aluminium. → (3) Aluminium
(B) Haematite →(Fe2O3) A reddish-black mineral consisting of ferric oxide. It is an important ore of iron. → (4) Iron
(C) Galena →(PbS) Galena, also called lead glance, is the natural mineral form of lead(II) sulfide. → (1) Lead
(D) Monazite → Monazite is an important ore for thorium, lanthanum, and cerium. It is radioactive due to the presence of thorium. → (2) Thorium