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5 (a) Petrol is a flammable liquid - Edexcel - GCSE Chemistry - Question 5 - 2014 - Paper 1
Question 5
5 (a) Petrol is a flammable liquid. Which hazard symbol is used on containers to show that the liquid in the container is flammable? Put a cross (X) in the box to s... show full transcript
Worked Solution & Example Answer:5 (a) Petrol is a flammable liquid - Edexcel - GCSE Chemistry - Question 5 - 2014 - Paper 1
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Step 2
Describe the disadvantages of hydrogen, rather than petrol, being used as a fuel in cars.
Answer
There are several disadvantages to using hydrogen as a fuel in cars:
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Storage Challenges: Hydrogen must be stored at high pressures or in liquid form, which poses safety risks and requires robust tanks.
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Infrastructure: There is a lack of widespread infrastructure for hydrogen refueling stations compared to petrol stations, making it less convenient for users.
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Production Emissions: The most common method of hydrogen production involves fossil fuels, which can negate its environmental benefits if not sourced from renewable energy.
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Energy Density: Hydrogen has a lower energy density by volume compared to petrol, necessitating larger storage spaces for equivalent range, which can affect vehicle design.