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  • Match the polymers given in Column I with their commercial names given in Column II. Column I : (i) The polyester of glycol and phthalic acid Column II :(a) Novolac

Match the polymers given in Column I with their commercial names given in Column II.

Column I Column II
(i) The polyester of glycol and phthalic acid (a) Novolac
(ii) The copolymer of 1, 3-butadiene and styrene (b) Glyptal

(iii) Phenol and formaldehyde resin

 (c) Buna-S
(iv) The polyester of glycol and terephthalic acid (d) Buna -N
(v) The copolymer of 1, 3-butadiene and acrylonitrile (e) Dacron

 

Answers (1)

(i \rightarrow b), (ii \rightarrow c), (iii \rightarrow a), (iv \rightarrow e), (v \rightarrow d)

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infoexpert23

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