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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 is not a mixture?                        [NDA]

    A) Air              

    B)        Mercury

    C) Milk           

    D)        Cement

    Correct Answer: B

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