_______ is used as a propellant in nucleus.
H2O2
D2O
ND3
CH2 = CH2
Deuterium nucleus consists of.
2 neutrons
2 protons only
One neutron only
One proton and one neutron
________ can be produced by reacting CO with steam in the presence of fix CO2 and H2.
D3O
Hydrogen
Which of the following alkali metals have very low density.
Na
Cs
Li
K
Deuterium reacts with oxygen gives
D2
D4O
When heated in bunsen flame, lithium gives _______ color
blue
red
lilac
crimson red
In the extraction of lithium _________ is used as anode.
Ni
P+
Fe
gas - coke splinter
The half life of tritium is
~ 13.2 years
~ 12. 3 years
~ 14. 3 years
~ 10 years
Alkali metals have low melting and boiling point due to the _______ in the crystal lattice.
Strong bonding
Weak bonding
High atomic weight
