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A [[polymer]] is a long [[molecule]] made by [[Chemical Reaction|reacting]] together several smaller [[molecule]]s. ===About Polymers==={| class="wikitable"|-|[[File:EtheneToPolythene.png|center|600px]]|-| style="height:20px; width:200px; text-align:center;" |This diagram shows several [[Ethene]] [[molecule]]s [[Chemical Reaction|reacting]] together to make a [[polythene]] [[molecule]].|} {| class="wikitable"|-| style="height:20px; width:200px; text-align:center;" |'''Polymer'''| style="height:20px; width:200px; text-align:center;" |'''Properties'''| style="height:20px; width:200px; text-align:center;" |'''Application'''|-| style="height:20px; width:200px; text-align:center;" |Polythene| style="height:20px; width:200px; text-align:center;" |[[Plastic, Strong, Ductile| style="height:20px; width:200px; text-align:center;" |Plastic shopping bags|-| style="height:20px; width:200px; text-align:center;" |PVC| style="height:20px; width:200px; text-align:center;" |Electrical insulator, strong| style="height:20px; width:200px; text-align:center;" |Plastic covering of electrical wires.|-| style="height:20px; width:200px; text-align:center;" |Nylon| style="height:20px; width:200px; text-align:center;" |Strong, flexible, ductile.| style="height:20px; width:200px; text-align:center;" |Clothing|}