The synthetic polymer which resembles natural rubber is

The monomer which is present in both Bakelite and Melamine polymers is

Which one of the following structures represents the neoprene rubber?

Explain the process of vulcanization of rubber.

Identify the correct statement from the following:
$(A)$ Glyptal is made from the monomers ethylene glycol and phthalic acid
$(B)$ Bakelite is used in making electrical switches
$(C)$ Nylon-$2$-nylon-$6$ is a biodegradable polymer

Which of the following contains an ester linkage?