$Cis-1,4-polyisoprene$ is called:

What is polythene? Write down its properties and types. Explain the preparation,properties,and uses of different types of polythene.

Which of the following is a condensation polymer?

Which of the following organic compounds polymerizes to form the polyester dacron?

Artificial silk is

Which of the following statements are correct?
$a$. Natural rubber becomes soft and sticky at high temperature.
$b$. Neoprene is a polymer of $2-$chloro$-1,3-$butadiene.
$c$. Nylon $6,6$ is a polyamide fibre.
$d$. Buna$-S$ is an example of a homopolymer.