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

    Question

    The element used in the manufacture of safety matches is

    —
    A Phosphorous Correct Answer Incorrect Answer
    B Magnesium Correct Answer Incorrect Answer
    C Silicon Correct Answer Incorrect Answer
    D Sulphur Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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