The process in which sulphur is extracted is
Haber process
Killin's process
Frasch process
Hall's Process
Oxyacetylene welding torches used the gas mixture
Nitrogen and Hydrogen
Oxygen and ethyne
Methane and Oxygen
Oxygen and Nitrogen
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
The catalyst used in this reaction is
Platinum
Iron
Nickel
Palladium