In Lassaigne's solution, pink/violet colouration is produced when sodium nitroprusside solution is added. It indicates the presence of:

In Lassaigne's solution, pink/violet colouration is produced when sodi

1.	In Lassaigne's solution, pink/violet colouration is produced when sodium nitroprusside solution is added. It indicates the presence of:
Answer» sulphur nitrogen chlorine none of these Answer :A