Sulphuric acid gives a precipitate with barium chloride solutions is in what colour?
white
black
pale green
yellow
Charred spongy mass is left after the dehydration of
salt
sugar
sulphur
Carbon
When blue copper (11) sulphate treated with H2SO4 gives
Deep blue coloured CuSO4
Red coloured phosphorous
Dirty white coloured CuSO4
Green coloured FeSO4
A solution produces white precipitate with BaCl2 solution contains
Cl- ion
SO42- ion
NO3- ion
CH3COO- ion
Sulphur trioxide forms fuming sulphuric acid which is also called
Oleum
Ammonia
Trioxide
Vanadium pentoxide
Gas produced by chemical action of H2SO4 on copper is
CO2
SO2
H2
CuO
Sulphuric acid dissolves in water forms
Carbonium ion
OH- ions
Hydronium ion
Carboxyl ion
The molecular formula of sulphuric acid is
HNO3
HCl
HPO4
H2SO4
The boiling point of con H2SO4 is found to be
328o C
338oC
625oC
838oC
Replacing one hydrogen from sulphuric acid results in the salt formation of
normal salt
acidic salt
basic salt
complex salt
