Hydrogen Fuel

What is hydrogen primarily considered in the context of future energy?

• A type of fossil fuel

• A form of water

• An energy carrier

• A primary energy source

How is hydrogen obtained for fuel purposes?

• By photosynthesis

• By condensation

• By splitting molecules

• By mining

What is the main byproduct of using hydrogen in a fuel cell?

• Carbon dioxide

• Sulfur dioxide

• Nitrogen oxides

• Water

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What is a major benefit of hydrogen vehicles compared to internal-combustion engine vehicles?

• More durable engines

• No harmful emissions

• Lower cost

• Higher speed

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What has been a historical obstacle to hydrogen's widespread adoption as a fuel?

• Inability to store hydrogen safely

• Difficulty in converting hydrogen to electricity

• Lack of hydrogen in the universe

• Public perception of safety

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What is required to make 'green' hydrogen?

• Nuclear energy

• Coal

• Sustainable energy

• Natural gas

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What sector is most likely to see early applications of hydrogen technology?

• Consumer electronics

• Heavy industry

• Residential heating

• Personal transportation

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Why might hydrogen be considered a waste of renewable energy by some critics?

• It is less energy-dense than batteries

• It cannot be produced from renewable sources

• It is too expensive to produce

• The energy output is less than the input

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What is a challenge in the adoption of hydrogen fuel?

• Lack of water on Earth

• It is not recognized as a fuel by governments

• Inability to use it in existing vehicles

• High cost and lack of infrastructure

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What role does hydrogen play in the transition to a net-zero emissions future?

• It has no role

• It will be used in specific niches

• It is a temporary solution

• It will replace all fossil fuels

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