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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Hydrogen-oxygen fuel cells

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4

Paper

6

Marks

Topic

Hydrogen-oxygen fuel cells

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Paper 4Theory (Extended)6 marks

Comparing hydrogen-oxygen fuel cells and gasoline engines in vehicles.

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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Paper 4 structured question: Hydrogen-oxygen fuel cells

Paper 4Theory (Extended)4 marks

Description

Environmental Impact of Fuel Types

Different fuel types have varying impacts on the environment, with hydrogen fuel cells being a cleaner option compared to gasoline engines.

  1. a

    Compare the environmental impacts of hydrogen-oxygen fuel cells and gasoline engines.

    Aim for approximately 4 distinct marking points.

    [4]