(a)[3]
Complete Table 1.1 so that it describes the structure of solids, liquids and gases in terms of particle separation, particle arrangement and particle motion.
(b)[3]
Name each physical change: solid to liquid; gas to liquid; solid to aqueous.
(c(i))[1]
Describe, in particle terms, why gases diffuse.
(c(ii))[1]
State what determines the relative rate of diffusion of gases at constant temperature.
(d)[2]
State two other harmful effects of oxides of nitrogen.
(e(i))[1]
Name the toxic gaseous product formed by the incomplete combustion of hydrocarbon fuels.
(e(ii))[2]
Name the two non-toxic gases produced in the catalytic converter.