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GK QUESTION#3226

Dolomite is an ore of:

  1. AmagnesiumCorrect answer
  2. Baluminium
  3. Cpotassium
  4. Dsodium
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Answer

A. magnesium

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Explanation

Dolomite has formula CaMg(CO₃)₂ and is a source mineral for magnesium. Among the listed metals, magnesium is its constituent; aluminium, potassium and sodium are not part of the ideal formula. Calcium is also present but is not one of the options.

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