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WHAT IS POLYMERISATION? PLEASE EXPLAIN IN SIMPLE SENTENCE
Polymers are high molecular weight compounds whose structures are made up of a large number of simple repeating units .The repeating units are usually obtained from low molecular weight simple compounds referred to as monomers .The reaction by which monomers are converted into polymers is known as polymerisation .The formation of polyethylene from ethylene is an example of polymerisation reaction.

Example   :  
                
The monomer is shown on the left hand side of the equation and on the right hand side the repeating unit is enclosed in brackets and line pass  through the brackets to show that the chain continues in both directions .The subscript n shows how many times the repeating unit appears in full polymer ; generally the values of n is in the thousands .


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