JAMB - Chemistry (2002 - No. 33)
The most important use of hydrogen is in the
manufacture of ammonia
manufacture of methyl alcohol
manufacture of ethyl alcohol
hydrogenation of oils
Explication
The most important use of hydrogen is the ammonia synthesis or manufacture of ammonia(Haber process). The use of hydrogen is extending quickly in fuel refinement, like the breaking down by hydrogen (hydrocracking), and in sulphur elimination.