1. Magnesite
  2. Gypsum
  3. Epsom Salt
  4. Dolomite
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1 Answers

Option 4 : Dolomite

  • Dolomite is an ore of both Calcium (Ca) and Magnesium (Mg). The chemical formula of Dolomite is CaCO3.MgCO3.

Trick: MaCaDonalds> Ma- Magnesium, Ca- Calcium, Do- Dolomite.

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