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    Question

    The Element/Ion which is essential in small quantities

    for the development of healthy teeth but causes mottling of the teeth if consumed in higher quantities is
    A Fluoride Correct Answer Incorrect Answer
    B Chloride Correct Answer Incorrect Answer
    C Iron Correct Answer Incorrect Answer
    D Potassium Correct Answer Incorrect Answer

    Solution

    Fluoride in small quantity protects the teeth but in high quantity it causes fluorosis which deforms the teeth.

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