Sodium reacts with cold water to produce
Nitrogen
Oxygen
Hydrogen
Carbon
The process used for the manufacture of ammonia
Koop's process
Haber Process
Hall's Process
Van Arkel process
The barium meal which is taken before an X - ray contains the salt
BaCl2
BaO2
BaSO4
Ba(OH)2
Galena is
Zns
Pbs
CuFeS2
TnS
The catalyst used in this reaction is
Platinum
Iron
Nickel
Palladium
Sulphurous acid is
H2SO4
H2S2O7
H2SO3
HSO4
The solvent used to separate iodine molecules in the solid from each other
Water
Benzene
HCl
Cyclohexane
Gypsum is
CaSO42H2O
2CaSO4H2O
CaSO4
CaCl2