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    Question

    Bordeaux mixture is effective to control diseases of fruit and nut trees, vine fruits, and ornamental plants. It is chemically a ____

    A Nitrogen Fungicide Correct Answer Incorrect Answer
    B Phosphorous Fungicide Correct Answer Incorrect Answer
    C Magnesium Fungicide Correct Answer Incorrect Answer
    D Copper Fungicide Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    The Bordeaux mixture, named after the Bordeaux region of France where it was developed and used against the downy mildew of grape, is the product of reaction of copper sulfate and calcium hydroxide (hydrated lime).

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