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    Question

    The formula of gypsum

    is:
    A СаСО₃ Correct Answer Incorrect Answer
    B CaSOâ‚„.2Hâ‚‚O Correct Answer Incorrect Answer
    C Ca(OH)â‚‚ Correct Answer Incorrect Answer
    D CaO Correct Answer Incorrect Answer

    Solution

    Gypsum is chemically known as calcium sulfate dihydrate, with the formula CaSOâ‚„.2Hâ‚‚O. It is commonly used in agriculture to improve soil structure and as a source of calcium and sulfur for plant nutrition.

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