An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction ... we are mixing a common acid like nitric acid and a common alkali - sodium ...

After the test, neutralize the metal surface (e.g., with a baking soda solution) to remove all acid. The nitric acid test is useful for distinguishing stainless steel from mild steel, but cannot ...

An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction ... we are mixing a common acid like nitric acid and a common alkali - sodium ...