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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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