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Explain the pros and cons of employing hydrogen-oxygen fuel cells compared to gasoline or petrol engines in vehicles.

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Cambridge IGCSE ChemistryElectrochemistrySupplement content

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Explain the pros and cons of employing hydrogen-oxygen fuel cells compared to gasoline or petrol engines in vehicles

  • This point belongs to Hydrogen-oxygen fuel cells, especially Hydrogen-oxygen fuel cells outcomes.
  • You need to be able to explain the pros and cons of employing hydrogen-oxygen fuel cells compared to gasoline or petrol engines in vehicles.
  • The key ideas to know are Describe, Discuss, and Compare.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeDiscussCompare

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Paper 4 structured question: Hydrogen-oxygen fuel cells

Paper 4Theory (Extended)6 marks

Description

Comparison of Fuel Technologies

Hydrogen-oxygen fuel cells are known for their environmental benefits, while gasoline engines are widely used due to their established infrastructure.

  1. a

    Discuss the advantages and disadvantages of using hydrogen-oxygen fuel cells compared to gasoline engines in vehicles.

    Aim for approximately 6 distinct marking points.

    [6]
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