Whose oxidation and reduction is carried out in a hydrogen-oxygen fuel cell?

  • A
    $H_2$ is oxidized and $O_2$ is reduced.
  • B
    $O_2$ is oxidized and $H_2$ is reduced.
  • C
    $H_2$ is oxidized and $H_2O$ is reduced.
  • D
    $H_2O$ is oxidized and $O_2$ is reduced.

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