New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Which of the following is a source of

    Boron?
    A Pyrite Correct Answer Incorrect Answer
    B Augite Correct Answer Incorrect Answer
    C Apatite Correct Answer Incorrect Answer
    D Tourmaline Correct Answer Incorrect Answer
    E Olivine Correct Answer Incorrect Answer

    Solution

    Tourmaline is source of Boron.

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