(a(i))[1]
Find the volume percentage of carbon dioxide in the exhaust gases from the diesel engine.
(a(ii))[3]
Describe three differences between the exhaust-gas composition of the petrol engine and the diesel engine.
(a(iii))[1]
State one harmful health effect of sulfur dioxide.
(b)[3]
Fractional [BLANK] of petroleum produces fractions such as gasoline, diesel oil and [BLANK]. In each fraction, the molecules have a specific range of [BLANK] points.
(c)[2]
Balance the chemical equation for the complete combustion of propane.\n\n$\text{C}_3\text{H}_8 + 5\text{O}_2 \rightarrow \ldots\ldots\text{CO}_2 + \ldots\ldots\text{H}_2\text{O}$