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Question

Match the columns.

List IList II
A. Bauxite1. Lead
B. Haematite2. Thorium
C. Galena3. Aluminium
D. Monazite4. Iron

A
A3,B1,C4,D2
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B
A4,B2,C1,D3
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C
A3,B4,C1,D2
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D
A2,B4,C3,D1
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Solution

The correct option is C A3,B4,C1,D2
Solution:-
(A) Bauxite (Al2O3.2H2O) It is an ore of Aluminium containing 1520% 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

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