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

  • question_answer
    pH values of four solutions A, B, C and D are 7, 8, 9, and 10 respectively. Put them in a sequence according to their nature.

    A) Acidic, acidic, neutral, basic

    B) Acidic, neutral, basic, basic

    C) Acidic, acidic, acidic, neutral

    D) Neutral, basic, basic, basic

    E) None of these

    Correct Answer: D

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