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Polymerisation means joining together lots of small alkene molecules
(monomers) to form very large molecules- these long-chain molecules are called
polymers.

The equation is:


Pressure and Catalyst
General: Many monomers > One Polymer


| | | |
Example: n(C=C) > (CC)n
| | | |
Ethene Polyethene
(Double Bond) (many…

Page 2

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Unsaturated vegetable oils can be hardened in the presence of a nickel catalyst
at about 60 degrees centigrade. This is Hydrogenation.

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