The process used for the manufactures of ammonia.
Koop's process
Haber Process
Hallis Process
Van Arkel process
The basic resource in chlor - alkali industry.
Sodium chloride
Potassium chloride
Hydrogen
Chlorine
Gypsum is
CaSO42H2O
2CaSO4H2O
CaSO4
CaCl2
The acid which removes water from flesh
HCl
HNO3
H2SO3
H2SO4
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
Sulphurous acid is
H2S2O7
HSO4
