9. Short-chained, low-molecular-weight polymers are known as liquid or gas polymers. a) High-polymers b) Oligo-polymers c) Copolymers d) Homopolymers
Explanation: A graft polymer is a copolymer type in which the side branches of homopolymers are connected to the main chain. Random, alternating, and block are the other types of copolymers.
