The production of H2SO4 is a solution
Endothermic process
Exothermic process
Adiabatic process
Isothermal process
Hydrated copper sulphate loose its colour
On adding Conc. H2SO4
On heating
Both of them
None of them
The catalyst used for the preparation of sulphuric acid in contact process is
V2O5
P2O5
SO2
Spongy Fe
Concentrated H2SO4 is used in the laboratory preparation of nitric acid and hydrochloric acid because it is
less volatile
stronger
More volatile
none of these
The boiling point of con H2SO4 is found to be
328o C
338oC
625oC
838oC
Passing hydrogen sulphide in H2SO4 precipitates
sulphur
sulphur dioxide
Sulphur trioxide
Pyrosulphuric acid
A hygroscopic liquid is
CH3COOH
H2SO4
H2S
FeSO4
Chemical name of oleum is
perosodisulphuric acid
pyrosulphuric acid
Olefins
Aminoacids
Catalyst used for conversion of sulphur dioxide to sulphur trioxides is
Pt
Hg
A solution produces white precipitate with BaCl2 solution contains
Cl- ion
SO42- ion
NO3- ion
CH3COO- ion