If the ONLY pollutants found in the atmosphere over a city are oxides of nitrogen, suspended lead compounds. carbon monoxide and high levels of methane, the probable source(s) of the pollution must be?
A.
automobile exhaust and biological decomposition
B.
combustion of coal and automobile exhaust
C.
biological decomposition only
D.
combustion of coal, automobile exhaust and biological decomposition
E.
combustion of coal and biological decomposition
A certain industrial process is represented by the chemical equation 2A(g) + B(g) \(\to\) C(g) + 3D(g) \(\Delta\)H = X kJmol-1. Which of the following conditions will favour the yield of the products?
