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Q.

Identify the correct set of sulfide ores from the following.

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a

Sphalerite, Fool’s gold, Chalcopyrites

b

Fool’s gold, Calamine, Kaolinite

c

Bauxite, Magnetite, Zincite

d

Copper glance, Siderite, Malachite

answer is B.

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Detailed Solution

  • Sphalerite is an ore of zinc and iron mixed with sulfur,
  •  Fools gold is nothing but iron disulfide
  •  Chalcopyrites is copper iron sulfide. All three are sulfide ores.
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