In free radical mechanism, the step in which two very large free radicals combine with each other is called the ___ step…

X on polymerisation gives neoprene. Identify X.

Which of the following is not suitable for the polymerisation of ethene to form high-density polythene?

Bakelite is a cross-linked polymer.

Terylene is a thermoplastic polymer prepared from addition polymerisation.

Which of the following has the weakest intermolecular forces?

The polymer shown is a ___

Identify the biodegradable polymer from the following.