Gasoline (petrol)
2 marks · EasyExplain why gasoline (petrol) is mainly used in cars, instead of being used as a domestic fuel for heating.
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Gasoline is mainly used in cars because it is effective as a fuel for internal combustion engines, provides high energy for transport, and is less suitable for home heating compared to other fuels like refinery gases.
Also accept: Gasoline is designed for car engines and gives high energy output; refinery gases burn more safely in heaters.
Common mistakes: Saying gasoline is never used for heating without explaining why
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Marking points
M1 · 1 mark · States gasoline is suitable for car engines or transport.
M2 · 1 mark · States refinery gases or other fuels are more suitable for home heating, or gives a property (e.g., gasoline is volatile, unsafe indoors).
Worked solution
Gasoline is mainly used in cars because it is a fuel designed for internal combustion engines and gives high energy for transport. Refinery gases are more suitable and safer for home heating.