The electronic configuration of hydrogen is similar to
:
alkaline earth metals
alkali metals
chalcogens
halogens
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
Which of the following chemical equations represents the auto-protolysis of water?
The pollutant released on using dihydrogen as a fuel is
CO2
CO
NOx
SOx
Ordinary hydrogen is ____________.
tritium
protium
deuterium
helium
Which of the following statements is correct?
Protium i.e., ordinary hydrogen is placed with the second group elements of the periodic table.
Hydrogen, being similar to halogens, is placed in the seventh group of the periodic table.
Hydrogen is placed separately in the periodic table.
Deuterium belongs to the third group of the periodic table.
Which of the following compounds acts as hydrogen storage hydride?
BeH2
C2H6
PdH
LiH
Which of the following processes cannot remove permanent hardness of water?
Boiling
Calgon’s method
Ion exchange method
Treatment of water with Na2CO3
‘Syngas’ is a mixture of hydrogen with
Oxygen
Nitrogen
Carbon dioxide
Carbon monoxide
The strength of a 20 volume solution of H2O2 is
30.36 g/L
42.40 g/L
60.71 g/L
74.26 g/L
