During condensation reaction, two molecules combine to form a si loss of a small molecule; in dehydration reaction, this lost molecule (EVALUATE) 1. Evaluating learning Read each statement/question carefully. Choose the best answer. Write on your answer sheet. 1. A large molecule that consists of many repeating units is called a A. Monomer C. Polyethylene B. Polymer D. Polystyrene 2. Each unit that comes together to form a polymer is called a A. Monomer B. Copolymer C. Thermoset D. Amino acid