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  3. 10th Class
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10th Class Science Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    The device shown below is used for concentration of ore. Which one of the following method of concentration of ore uses this device?

    A) Hydraulic Washing

    B) Froth Foliation

    C) Magnetic Separation

    D) Chemical Method

    E) None of these

    Correct Answer: A

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