everyday science MCQ #1860

Which one of the following has the highest fuel value?

everyday science MCQ #1860

  1. Question 1

    Q1. Which one of the following has the highest fuel value?

    • A) Hydrogen
    • B) Charcoal
    • C) Natural gas
    • D) Gasoline

    Answer: Hydrogen

    Explanation: Hydrogen has the highest calorific (fuel) value of any substance at approximately 141,800 kJ/kg, far exceeding gasoline (~44,000 kJ/kg), natural gas (~50,000 kJ/kg), or charcoal (~32,000 kJ/kg).