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Q.

Which of the following combination represents the correct matching of metals with the most commonly employed ores for their extraction?Fe     Zn     Cu    Al

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a

Haematite, Sphalerite, Copper pyrites, Bauxite

b

Iron pyrites, Zinctte, Cuprite, Clay

c

Siderite, Calamine, Malachite, Aluminium, phosphate

d

Chalcocite,  Magnetite, Copper glance, Bauxite

answer is A.

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Detailed Solution

Fe-HaematiteZn-SphaleriteCu-Copper pyritesAl-Bauxite
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