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  3. 8th Class
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8th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    If acidified water is electrolyzed by using carbon electrodes, what will be produced at the positive carbon electrodes?

    A) Oxygen gas

    B) Hydrogen gas

    C) Carbon dioxide gas

    D) Water vapor

    E) None of these

    Correct Answer: A

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