The process used for the manufactures of ammonia.
Koop's process
Haber Process
Hallis Process
Van Arkel process
The barium meal which is taken before an X - ray contains the salt
BaH2
BaO2
BaSO4
Ba(OH)2
The solvent used to separate iodine molecules in the solid from each other
Water
Benzene
HCl
Cyclohexane
In laboratory preparation of hydrogen, Zinc is treated with the acid
Hydrochloric acid
Sulphuric acid
Nitric acid
Boric acid
Sulphurous acid is
H2SO4
H2S2O7
H2SO3
HSO4
The catalyst used in this reaction is
Platinum
Iron
Nickel
Palladium