(a)[2]
Describe how addition polymerisation and condensation polymerisation are different.
(b)[1]
PET is a condensation polymer. State the type of linkage that joins the repeat units together in PET.
(c)[3]
A polymer has 47.1% carbon, 6.5% hydrogen and 46.4% chlorine by mass. Calculate the empirical formula of this polymer.
(d)[2]
Plastics are made from polymers. Describe two environmental issues caused by plastics.