Which of these is a hydrocarbon?
C8H18
C2H5OH
C2H5NH2
What is the name of the process which separates crude oil into simpler mixtures of hydrocarbon compounds?
Cracking
Polymerisation
Fractional distillation
Where in the fractionating column will the longest hydrocarbons condense?
At the top
In the middle
At the bottom
Which fraction is used as a fuel for aircraft?
Gases
Kerosene
Bitumen
What term could be used to describe a resource which is being made more slowly than it is being used up?
Finite
Infinite
Sustainable
Which of the following is not an alkane?
C2H6
C4H10
C3H6
Which of these alkanes has the highest boiling point?
C3H8
During complete combustion of butane, what are the chemical products?
Carbon monoxide and water
Water and carbon dioxide
Carbon and water
Which gas produced by the combustion of fossil fuels is generally responsible for producing acid rain?
Nitrogen
Sulfur dioxide
Carbon monoxide
Which of the following could be the products formed by the cracking of decane, formula C10H22?
C8H18 + C2H4
C20H42
C5H12 + C5H12