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Learning objective

Identify that a hydrogen-oxygen fuel cell generates electricity by utilizing hydrogen and oxygen, resulting in water as the sole chemical byproduct.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryElectrochemistryCore content

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Quick explanation

Identify that a hydrogen-oxygen fuel cell generates electricity by utilizing hydrogen and oxygen, resulting in water as the sole chemical byproduct

  • This point belongs to Hydrogen-oxygen fuel cells, especially Hydrogen-oxygen fuel cells outcomes.
  • You need to be able to identify that a hydrogen-oxygen fuel cell generates electricity by utilizing hydrogen and oxygen, resulting in water as the sole chemical byproduct.
  • The key ideas to know are Identify and State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

IdentifyState

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Paper 3 structured question: Hydrogen-oxygen fuel cells

Paper 3Theory (Core)1 marks

Description

Hydrogen-Oxygen Fuel Cells

These fuel cells generate electricity through the reaction of hydrogen and oxygen, producing water as the only byproduct.

  1. a

    State the main byproduct of a hydrogen-oxygen fuel cell.

    Aim for approximately 1 distinct marking point.

    [1]
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