________ can be produced by reacting CO with steam in the presence of fix CO2 and H2.
H2O2
D2O
D3O
Hydrogen
In the extraction of lithium _________ is used as anode.
Ni
P+
Fe
gas - coke splinter
Protium consists of one proton and ______
three neutrons
no neutrons
two neutrons
one neutron
When heated in bunsen flame, lithium gives _______ color
blue
red
lilac
crimson red
Alkali metals have low melting and boiling point due to the _______ in the crystal lattice.
Strong bonding
Weak bonding
High atomic weight
The half life of tritium is
~ 13.2 years
~ 12. 3 years
~ 14. 3 years
~ 10 years
_________is heavy water
H2180
H2160
H203
D20
Which one of the following is non reducing?
H2S
H2Te
H2Se
H20
At room temperature ordinary hydrogen consists of about.
25% para and 75% ortho
75% para and 25% ortho
99% para and 1% ortho
1% para and 99% ortho