10th Class Science Sample Paper Science Olympiad Model Test Paper-4

  • question_answer
    Observe the following figures and choose the correct option.

    A) pH of I is greater than that of II and III

    B) pH of IV is less than that of I and III

    C) pH of I is less than that of III and IV

    D) pH of III is greater than that of II and IV

    E) None of these

    Correct Answer: C


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