Question

    Which of the following is an ore of calcium?

    A Dolomite Correct Answer Incorrect Answer
    B Gypsum Correct Answer Incorrect Answer
    C Calcite Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    Calcium is commonly found in various ores such as dolomite (CaCO₃·MgCO₃), calcite (CaCO₃), and gypsum (CaSO₄·2H₂O). These minerals are essential sources of calcium in industrial and biological applications.

    Practice Next

    Relevant for Exams: