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10th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    Which one of the following pairs will give displacement reaction?

    A) \[NaCI\]solution and copper metal

    B) \[MgC{{I}_{2}}\] solution and aluminium metal

    C) \[FeS{{O}_{4}}\] solution and silver metal

    D) \[AgN{{O}_{3}}\] solution and copper metal

    E) None of these 

    Correct Answer: D

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