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  1. Calcium carbonate - Wikipedia

  2. Calcium carbonate | Formula, Uses, Names, & Facts | Britannica

  3. Calcium Carbonate | CaCO3 | CID 10112 - PubChem

  4. Calcium Carbonate: Uses, Dosage, and Potential Side Effects

  5. Limestone: Calcium Carbonate (CaCO3) - Uses, Preparation ...

  6. Calcium Carbonate (CaCO3) - Limestone Formula, Structure, Uses

  7. Calcium Carbonate(CaCo₃) - Definition, Structure, Properties ...