The acids which react with metals ... Magnesium plus nitric acid gives us magnesium nitrate. Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc ...

And in that mixture, sulfuric acid catalyzes chemical reactions between water and the bonds that hold peptides together. Take away either the water or the acid, and those reactions can't happen ...

The acids which react with metals ... Magnesium plus nitric acid gives us magnesium nitrate. Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc ...