(a(i))[1]
State the name of the process that carries thermal energy through the copper.
(a(ii))[3]
From the graph in Fig. 6.1, find: 1. the wax melting point, 2. the wax boiling point, 3. the time when boiling begins.
(b)[6]
Describe the molecular structure of the wax by referring to the arrangement, separation and movement of its molecules when it is a solid and when it is a gas.