Spitting

[amaranthineApocalypse]

saliva should react with most chemicals much like water does.

frankly, so should blood, and a person should be treated as a partially water-filled target on injection for chemical reaction purposes. but this might make some chem terrorist mixes even nastier

Okay, but on the other hand if you were to do that bananas would become literally inedible because they would explode when you try to eat them