Define the term 'monomer'.

Define the term 'polymer'.

What is the name of the process by which monomers join together to form a polymer?

Name the specific monomer that is used to produce polythene (poly(ethene)).

Draw the structure of the repeating unit of polythene.

Give one example of a naturally occurring polymer.

Give one example of a synthetic polymer that is not polythene.

What does the abbreviation PVC stand for?

Name the monomer used to produce PVC.

Draw the structure of the repeating unit of PVC.

State one important property of polythene that makes it useful for making shopping bags and water bottles.

State one important property of PVC that makes it suitable for making water pipes and electrical wire insulation.

What is the main environmental problem associated with the disposal of synthetic polymers like polythene and PVC?

Explain the difference between a linear polymer and a cross-linked polymer in terms of their structure.

Natural rubber is a polymer. What is the name of its monomer?