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

9th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    The movement of colloidal particles under the influence of electric field is known as:

    A) Brownian movement

    B) Electrophoresis

    C) Tyndall effect

    D) Coagulation

    E) None of these

    Correct Answer: B

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