A mixture of hydrazine (N2H4) and 58 - 60% solution of H2O2 is used as
antiseptic
fertilizer
rocket fuel
None of the above
Nascent hydrogen is prepared by
Na and C2H5OH
Al and NaOH
Zn and dil H2SO4
All of these
Which of the following methods leads to the production of the highest purity of dihydrogen?
Electrolysis of barium hydroxide solution
Reaction of steam on hydrocarbons
Electrolysis of brine solution
Process of coal gasification
Ortho and para hydrogens differ in the
number of protons
molecular weight
nature of spins of protons
nature of spins of electrons
Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
Heavy water (D2O) freezes at
0ºC
3.8ºC
- 3.8ºC
38ºC
In aqueous solution, hydrogen peroxide oxidizes H2S to
Sulphur
Sulphuric acid
Caro's acid
Marshall's acid
‘Syngas’ is a mixture of hydrogen with
Oxygen
Nitrogen
Carbon dioxide
Carbon monoxide
