1. Iron-ore, limestone, dolomite
  2. Coal, bauxite, corundum
  3. Gaunet, guartz, marble, diamond
  4. All of the above
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1 Answers

Answer: Option 4

Iron-ore, limestone, dolomite, coal, bauxite, corundum, gaunet, guartz, marble and diamond minerals are found in Chhattisgarh.

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