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    Question

    What is manganese used for ?

    A Photography industry Correct Answer Incorrect Answer
    B Matchbox industry Correct Answer Incorrect Answer
    C Battery production Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Explanation: Manganese has multiple industrial applications including: - In photography for developing and fixing processes - In matchbox production as manganese dioxide in the striking surface - In battery production, particularly in alkaline batteries and manganese dioxide batteries Since manganese is used in all three mentioned industries, the correct answer is "More than one of the above."

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