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                              Q:
                           
                           
                                                      | A) hexamethylenediamine and adipic acid | B) caprolactam | 
| C) urea and formaldehydeD. | D) phenol and formaldehyde | 
                              Answer:   A) hexamethylenediamine and adipic acid
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Nylon is made when the appropriate monomers (the chemical building blocks which make up polymers) are combined to form a long chain via a condensation polymerisation reaction. The monomers for nylon 6-6 are adipic acid and hexamethylene diamine
 
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