Pure heptane would have an octane rating of
A) 0)
B) 50.
C) 75.
D) 100.
Correct Answer:
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Q58: The major component of natural gas is
A)ethane.
B)methane.
C)butane.
D)octane.
Q59: The lowest grade of coal is
A)anthracite.
B)bituminous.
C)lignite.
D)peat.
Q60: Approximately what percentage of U.S.electricity is generated
Q61: Natural gas burns with a relatively clean
Q62: To make crude petroleum more useful,it must
Q64: The main components of petroleum are
A)hydrocarbons.
B)carbohydrates.
C)fats and
Q65: Catalytic reforming is a process for converting
A)low
Q66: The fraction from the distillation of crude
Q67: Recent evidence indicates that petroleum is derived
Q68: In general,a higher proportion of branched chain
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