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UPSC Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Chemistry, Matter and its Composition

  • question_answer
          Which one of the following elements shows variable equivalent mass?                            [NDA]

    A) Zinc                      

    B)        Silver

    C) Calcium            

    D)                  Iron          

    Correct Answer: D

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