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Which of the following organic compounds polymerizes to form the polyester Dacron

a. Terephthalic acid and ethylene glycol

b. Benzoic acid and para HO  – (C 6 H 4 ) – OH

c. Propylene and para HO  – (C 6 H 4 ) – OH

d. Benzoic acid and ethanol

Ans. a

(10)

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