Which of the following is chain growth polymer?

Step-by-step solution

Chain growth polymers are formed by the repeated addition of monomer molecules possessing double or triple bonds, which is also known as addition polymerization. Teflon (polytetrafluoroethylene) is formed by the addition polymerization of tetrafluoroethene ( CF₂=CF₂ ). Thus, it is a chain growth polymer. Nylon-6, Nylon-66, and Terylene are condensation polymers, which are formed by step growth polymerization. Answer: Teflon