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Which of the following is a condensation polymer?

1. Neoprene
2. Buna-S
3. Nylon 6,6
4. Teflon

Correct answer: Nylon 6,6

Solution

Nylon 6,6 is made by condensation polymerization of hexamethylenediamine and adipic acid (eliminating water). Neoprene, Buna-S and Teflon are addition polymers.

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