MCQOPTIONS
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| 1. |
Nylon-66 is a polyamide of |
| A. | hexamethylene diamine and adipic acid. |
| B. | adipic acid and methyl amine. |
| C. | vinyl chloride and formaldeyde. |
| D. | none of these. |
| Answer» B. adipic acid and methyl amine. | |