Copolymer

Q. What is a copolymer?

1. A condensation polymer of similar monomeric units
2. A polymer formed from condensation polymerization
3. A polymer made of 2 or more monomeric units
4. A polymer with exactly 3 monomeric units.

Q. Which of the following is an example of a copolymer?

1. Buna-S
2. PAN
3. Polyethene
4. PTFE