Which does not give a precipitate with AgNO3 solution?
Total volume of atoms present in a face centred cubic unit cell of a metal is (r is atomic radius)
Sodium formate on heating gives
oxalic acid and H2
sodium oxalate and H2
CO2 and caustic soda
IUPAC name of the following compound
N, N- dimethylcyclopropane carboxamide
None of the above
Gold number is associated with
amount of gold
purple of cassius
Pure silicon doped with phosphorus is a
Excess of one valence electron in P atom (5 valence electron) over Si (4 valence electron) will form n-type semiconductor.
Noble gases are used in discharge tubes to give different colours. Reddish-orange glow is due to