← Chemistry (0620)
Q1 / 5
Alcohols
Higher
2 marks
Compare ethanol as a fuel with petrol. Give one advantage and one disadvantage.
A
Advantage: renewable, lower net CO2; Disadvantage: lower energy density, land use for crops
B
Advantage: higher energy; Disadvantage: derived from fossil fuels
C
Both are identical in all properties
D
Advantage: produces no CO2; Disadvantage: more expensive to produce only
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