It is part of the contact process used to make sulfuric acid.

Later that year, a way was found of using bacteria to make shikimic acid.

It can react with a mixture of air and water to make nitrous acid.

Then the brown gas made is dissolved in water to make nitric acid.

It is used in making nitric acid and for manure.

It is also important to make less acid in the stomach.

Both of these medicines make the cells in the stomach stop making acid.

The Monsanto process is a way of making acetic acid.

It can dissolve violently in water to make sulfuric acid.

Some people need to take another medicine to stop the stomach from making too much acid.