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12th Class Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank 12th CBSE Chemistry The d-and f-Block Elements

  • question_answer
      What are coinage metals? Why are they called so?

    Answer:

      Elements of group -11 (Cu, Ag, Au) are called coinage metals. They are so called because they were used in making coins.


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