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Minerals and Energy Resources - I (Class-X)

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Multiple Choice

One mode of formation of minerals involves the decomposition of surface rocks, and the removal of soluble constituents, leaving a residual mass of weathered material containing ores. Which of the following minerals is/are formed in this manner?

a. Coal
b. Gypsum
c. Bauxite

  1. a, b and c
  2. b and c
  3. a and c
  4. a and b
  5. c only
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