Chemistry 0620 · IGCSE · Hydrogen–oxygen fuel cells

Hydrogen–oxygen fuel cells — practice question

Hydrogen-oxygen fuel cells and gasoline are both used to power cars. Which statement explains one advantage of using hydrogen-oxygen fuel cells in cars compared with gasoline engines?

  • AHydrogen is a non-renewable resource.
  • BHydrogen is produced during the fractional distillation of petroleum.
  • CHydrogen-oxygen fuel cells do not release carbon dioxide.
  • DHydrogen-oxygen fuel cells need electricity to work.

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