A student performs a flame test on an unknown substance and observes a blue green flame. Which substance is the most likely using?
An unknown solution that produced a pale blue precipitate with sodium hydroxide solution, and a green-blue flame test, must contain a:
A substance which gives brick red flame test and breaks down when heated to give oxygen and a brown gas is
substance like kerosene and petrol burn with a flame while charcoal doesn't .why?