How can you test how much can dilute sulfuric acid before it stops showing signs of normal acidic reactions?

Answer 1

I suppose the long way, and I don't know of a short way, is to prepare dilutions of H2SO4 and test each of the dilutions with some metal, say Zn metal. You will need to set some benchmarks before you start of what you mean by "stop showing signs of acidic reaction."

Answer 2

ty Soooo much