Sulfur + Oxygen = Sulfur Dioxide
kno3 + sulfur + C
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
lplolol
caoutchouc
coal
freezer
ruminants+Horn
Rodents + needles
fruits+earth
Metal earth