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GK QUESTION#3387

The mineral Carnotite is an important source of:

  1. Acopper
  2. Bzinc
  3. CuraniumCorrect answer
  4. Diron
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Answer

C. uranium

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Explanation

Carnotite is a uranium-bearing potassium uranyl vanadate mineral and has been an important uranium ore. A common formula is K₂(UO₂)₂(VO₄)₂·3H₂O. Its uranium content distinguishes it from ores of the other listed metals; the presence of vanadium does not change the answer among these choices.

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