1.

When condensation product of hexamethyiene- diamine and adipic acid is heated to 525 K in an atmosphere of nitrogen for about 4-5 hours, the product obtained is

A. solid polymer of nylon 6, 6
B. liquid polymer of nylon 6, 6
C. gaseous polymer of nylon 6, 6
D. liquid polymer of nylon 6
Answer» C. gaseous polymer of nylon 6, 6


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