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CAIE IGCSE Chemistry 4.2.2 Advantages and Disadvantages of Using Questions

Evaluate hydrogen fuel cells by comparing emissions, energy output, storage and practical advantages.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • identify advantages of hydrogen fuel cells over petrol engines
  • identify disadvantages of hydrogen fuel cells
  • compare fuel-cell emissions with combustion emissions
  • compare energy output per gram of fuels
  • explain storage and practical limitations of hydrogen
  • evaluate fuel choice using environmental and performance evidence

CAIE IGCSE Chemistry 4.2.2 Advantages and Disadvantages of Using Questions question 1

[Maximum number: 1]

Which statement about fuels is correct?

A

Heat energy is only produced by burning fuels.

B

Hydrogen is used as a fuel although it is difficult to store.

C

Methane is a good fuel because it produces only water when burned.

D

Uranium is burned in air to produce energy.

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