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  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    Which one of the following technique can be used to separate the dyes in black ink?

    A) Evaporation

    B) Filtration

    C) Chromatography

    D) Centrifugation

    E) None of these

    Correct Answer: C

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