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10th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Few metals are given below. Zn, Sn, Ag, Na, Co Arrange the above given metals in the order from least reactive to most reactive.

    A) Sn < Na < Zn < Ca < Ag

    B) Ag < Zn < Sn < Ca < Na

    C)  Ag < Sn < Zn < Ca < Na

    D)  Sn < Ag < Zn < Ca < Na

    E)  None of these

    Correct Answer: C

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