kno3 + sulfur + C
there are many websites that have all achemy codes
You cant make alchemy classic, its a game! Though you can download it and play it!
in alchemy classic its 2 bacteria but it might be different in the original (assuming your playing alchemy classic)
Bacteria + swamp = sulfur + worm
The combustion of hydrogen sulfide or sulfur produces sulfur dioxide
Insectivora + needles