Which of the following is natural rubber?
A. cis-1, 4-polyisoprene
B. neoprene
C. Trans-1. 4-polyisoprene
D. Butyl rubber
Answer:A
Which of the following is natural rubber?
A. cis-1, 4-polyisoprene B. neoprene C. Trans-1. 4-polyisoprene D. Butyl rubber