How to use "acid" in a sentence

But now she vented some of the acid that had been eating at her for so long, cutting him off in midsentence.

The virus migrates to the brain stem, and there it begins secreting a toxin that literally eats away brain tissue like battery acid dissolving cheesecloth

'Looks like picric acid.'

'What is picric acid?'

'Dr Haydock said it was picric acid.' I then asked her the question that I had wanted to ask her for some time

I believe that picric acid explodes if you drop something heavy onto it

And remember, Vicar that you met Mr Redding carrying a large stone in that same place in the woods where you found the picric acid later.'

'Mr Redding had probably used some rope to hang the stone above the picric acid