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  3. 10th Class
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10th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    During electrolysis of water, two electrodes, anode and cathode are used. Which gas is collected at 1?

    A) Oxygen

    B) Hydrogen

    C) Carbon

    D) Nitrogen

    E) None of these

    Correct Answer: A

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