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9th Class Social Science Is Matter Around Us Pure Question Bank 9th CBSE Social Science Is Matter Around Us Pure

  • question_answer
      What are the favourable qualities given to gold when it is alloyed with copper or silver for the purpose of making ornaments?

    Answer:

                      When alloyed with copper or silver, the gold becomes harder and stronger and its brittleness decreases.                                       (1)


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