Which of the following compounds acts as a bleaching agent?
MgCO3
NaOH
H2O2
D2O
Which of the following compounds does not contribute to permanent hardness of water?
NaCl
MgCl2
CaSO4
MgSO4
Which of the following oxides can be reduced by hydrogen?
MgO
ZnO
MnO2
Sb2O3
The Haber process is a reaction of
Carbon monoxide with hydrogen
Dihydrogen with dinitrogen
Hydrocarbons with steam
Metals with acids
‘Syngas’ is a mixture of hydrogen with
Oxygen
Nitrogen
Carbon dioxide
Carbon monoxide
The ‘Reaction of metals with acids’ is a way of preparing
Hydrogen
Which of the following compounds acts as hydrogen storage hydride?
BeH2
C2H6
PdH
LiH
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.
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
Which of the following statements regarding ‘Hydrogen Economy’ is incorrect?
Dihydrogen is preferred over other fuels.
It is highly effective because of the absence of any limitations.
A pilot project using dihydrogen as a fuel is launched in India.
It refers to the transportation of energy in the form of dihydrogen.
