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    • Question

      What is the chemical formula of

      “Chalk”?
      A CaCO₃ Correct Answer Incorrect Answer
      B CaCl₂ Correct Answer Incorrect Answer
      C Ca(OH)₂ Correct Answer Incorrect Answer
      D H₂SO₄ Correct Answer Incorrect Answer

      Solution

      Chalk is made up of calcium carbonate. Calcium carbonate's molecular formula is CaCO3.

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