(i) Is  a homopolymer or copolymer?Give reasons.

(ii) Write monomers of the following polymers:

        

(iii) What is the role of Sulphur in vulcanization of rubber?

 

 

 

 
 
 
 
 

Answers (1)
S Sumit

(i) Homopolymer as it contains only one type of monomer unit.

(ii) Melamine and Formaldehyde

              

(iii) During vulcanization, Sulphur is added to the rubber as it forms cross - links between polymers chains thereby imparting more tensile strength, elasiticity and resistance to abration.

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