The process used for the manufactures of ammonia.
Koop's process
Haber Process
Hallis Process
Van Arkel process
Galena is
Zns
Pbs
CuFeS2
TnS
The process in which sulphur is extracted is
Haber process
Killin's process
Frasch process
Hall's Process
Sulphurous acid is
H2SO4
H2S2O7
H2SO3
HSO4
The sulphur compound used as a food preservative
SO2
SO3
The catalyst used in this reaction is
Platinum
Iron
Nickel
Palladium
Oxyacetylene welding torches used the gas mixture
Nitrogen and Hydrogen
Oxygen and ethyne
Methane and Oxygen
Oxygen and Nitrogen
