(a(i))[1]
Calculate the percentage by volume of carbon dioxide in the exhaust gases.
(a(ii))[1]
Which gas in the table has the smallest percentage by volume?
(a(iii))[1]
Which two elements in the table combine to make nitrogen dioxide?
(a(iv))[1]
Give the chemical formula of nitrogen dioxide.
(a(v))[1]
Where does the nitrogen found in the exhaust gases come from?
(b(i))[2]
What does the term hydrocarbon mean?
(b(ii))[1]
Give one harmful effect of carbon monoxide on health.
(b(iii))[2]
Balance the chemical equation for pentane’s complete combustion.\n\n$\text{C}_5\text{H}_{12} + 8\text{O}_2 \rightarrow ....\text{CO}_2 + ....\text{H}_2\text{O}$