Multiple choice Which of the following sets of polymers represents condensation polymers only? Protein, PET, Polyethylene Protein, Polyester, Carbohydrate Protein, Carbohydrate, Nylon-6,6 PET, Teflon, Nylon-6,6 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Protein, Carbohydrate, Nylon-6,6: All the three are condensation polymers.