Does a shorter chain hydrocarbon have a lower or higher flammability
higher, it catches alight very easily
The crude oil need to be split into F_______
Fractions
What is the process called where you are separating the different hydrocarbons?
Fractional Distillation
How many bonds does a alkene have
2 (Double bond)
Where does Crude oil come from?
Either underground or under the sea bed. (crushed up organisms)
Incomplete combustion happens when there is not enough ______
Oxygen / O2
Incomplete combustion produces a dangerous gas called....
Carbon Monoxide
A fraction will contain hydrocarbons with a similar ____ ____
length chain or boiling point
Complete combustion waste products are? (2)
CO2 and water vapour (h2o)
Alkenes are also reffered to as Un________ hydrocarbons
Unaturated
What is the test for CO2 ?
Limewater turning cloudy
Why does Cracking take place?
Because long chain hydrocarbons are not very useful, whereas short chain hydrocarbons make better fuel
Crude oil is a mixture of different H____________
Hydrocarbons
During the process of splitting the crude oil into its Fractions the oil is boiled to its correct temperature and turned back into a liquid... this process is called
Condensed / Condensing
To test whether the hydrocarbon is a alkene or alkane you can use _______ water
Bromine
Does a short chain have a higher or lower boiling point?
lower
When an Alkene is tested it leaves the Bromine Water what colour?
Colourless or Decolourise
Is a longer chain hydrocarbon have a higher or lower viscosity
Higher (very thick)
Finish the sentence = The longer the molecule the greater the ________ forces.
Molecular
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