(a) Write one example each of 

(i) Cross-linked polymer

(ii) Natural polymer

(b) Arrange the following in the increasing order of their intermolecular forces:

 Terylene, Buna-N, Polystyrene

(c) Define biodegradable polymers with an example.

 

 

 

 
 
 
 
 

Answers (1)
S Sumit

 (a) :(i) Bakelite

            (ii) starch

      (b): starch

(b) Buna-N < Polystrene <Terylene

(c) Biodegradable polymers- Natural or synthetic polymer which can be degraded to small molecules by bacterialdecomposition process e.g Nylon-2,Nylon-6, PGA(Polyglycolic acid )

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