C1a
- Created by: Joanna
- Created on: 31-12-11 17:02
C1a- Making crude oil useful
Fossil Fuels
^ Crude oil, coal, natural gas^
^^are formed naturally over millions of years
^^^are finite and non-renewable because they are used up faster than they can be formed
^^^^all easily extracted
CRUDE OIL
^found in earth's crust
^^Transported to refineries in oil tankers.
^^^ Accidents cause oil spills from tankers and oil floats on sea's surface. Can harm wildlife/damage beaches
^affects birds; feathers get stuck together
^^ detergents are used to break up oil slicks; chemicals used can be toxic and can harm/kill wildlife
FRACTIONAL DISTILLATION
Crude oil; mixture of many HYDROCARBONS < a molecule made up of only hydrogen and carbon atoms
HYDROCARBONS < have different boiling points.
^crude oil can be separated into useful fractions that…
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