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10th Class Science Metals and Non-metals / धातु और अधातु Question Bank Metals and Non-metals

  • question_answer
    Four colourless salt solutions given in the figures are placed in separate containers and a copper rod is dipped in each. In which container does the solution turn blue?

    A)   

    B)   

    C)              

    D)

    Correct Answer: B

    Solution :

    Cu can displace Ag from \[AgN{{O}_{3}}\], because it is more reactive than silver.


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