Match each pair by selecting correct answer from the dropdown menu.
Then click the Check button to see your result.

The breaking down of long chain hydrocarbons into smaller, more useful molecules	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
The process where a mixture of different liquids is separated into different fractions by means of their different boiling points	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
Where certain compounds of the same molecular formula exist in different forms	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
Energy cannot be created nor destroyed, but may be converted from one form to another	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
A measure of the tendancy of a fuel to cause knocking, or auto-ignite	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
A fuel with a very high octane number due to the presence of oxygen in it	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
The reaction of steam with natural gas at a high temperature to produce hydrogen gas	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking
Premature ignition of the petrol/air mixture in the combustion engine before a spark is produced	??? Octane number Auto-ignition Fractional distillation Steam reforming Isomerism Law of conservation of energy Oxygenate Catalytic cracking