[mattclarkdotnet]

Why would any of those compounds come from fossil fuels? Sulfur is mined, hydrogen peroxide is water with some oxygen taken off, and sodium carbonate is made from salt and limestone

[Perz1val]

Because they can, because when refining petroleum products you get a lot of crap that's not carbohydrates

[wombatpm]

Sulfur is produced when the H2S is removed from petroleum and natural gas. Elemental sulfur is burned to produce Sulfuric acid using the Contact Process.

[Sohcahtoa82]

> hydrogen peroxide is water with some oxygen taken off

Isn't it water with some oxygen added?