2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Sample Paper-1

  • question_answer
    Define relative density of a substance.

    A) Relative density of a substance = density of substance/density of air

    B) Relative density of a substance = density of air/density of substance

    C) Relative density of a substance = density of substance / density of water

    D) Relative density of a substance = density of water / density of substance

    E) None of these

    Correct Answer: C

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