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NTSE Sample Paper NTSE SAT Practice Test-20

  • question_answer
    When electric current is passed through water, it dissociates. What happens?

    A) Oxygen formed at the cathode and hydrogen formed at the anode

    B) Oxygen formed at the anode and hydrogen formed at the cathode

    C) No change occurs

    D) Formation of gases cannot be predicted

    Correct Answer: B

    Solution :

    [b] Oxygen forms negative ion and hydrogen forms positive ion


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