The laughing gas is
Nitric Oxide
Nitrogen Oxide
Nitrogen Trioxide
Nitrogen Pentoxide
Sulphuric acid reacts with PCl5 to give
Thionyl Chloride
Sulphur Monochloride
Sulphuryl Chloride
Sulphur Tetrachloride
Ammonia, on reaction with excess of chlorine, gives
NCl3 and HCl
N4 and NH4Cl
NCl3 and NH4Cl
N2 and HCl
N2O
Ozone can be tested by
Ag
Hg
Zn
Au
The number of bonds in P4O10 is