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  5. Occurence and Extraction of Metals

Railways General Science & Technology Occurence and Extraction of Metals Sample Paper Occurence and Extraction of Metals Sample Test Paper-18

  • question_answer
    Which of the following is always found in a free state in nature?

    A)  Gold               

    B)  silver

    C)  Sodium

    D)  copper

    Correct Answer: A

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