Are you thinking about acid rain, or maybe the toxic heavy metal waste from factories?  These are called “chemicals”, and humans sometimes use chemicals in a variety of destructive ways.  It sounds like this might be one of them.  Why do you ask?
assistant
What do you mean by disintegrate?  Do you mean dissolve, as in water dissolving sugar?
assistant
How can I use acid as a weapon?
user
I’m sorry, I don’t understand this question.  Can you tell me more about what you mean by acid?
assistant
like stuff that can make things disintegrate.
user