(a)[1]
Deduce which fuel, J, K, L or M, releases the greatest energy per gram.
(b(i))[1]
Name one more petroleum fraction that is used as a fuel.
(b(ii))[1]
State the physical property on which petroleum fractional distillation is based.
(b(iii))[1]
Write an X on the diagram to indicate where bitumen is collected.
(c(i))[1]
Name a radioactive element used as a source of energy in nuclear power stations.
(c(ii))[1]
State one further industrial use of radioactive isotopes.