The main acidic component in ketchup is vinegar, which contains acetic acid. Acids can dissolve rust by breaking down the ...

Say you've inherited your grandma's cast iron skillet or happen upon a vintage piece at a garage sale. It's impossible not to notice that the pan's patina is concealed beneath a flaky layer of rust.

Iron is the main ingredient in various forms of iron ... forms a number of organic and inorganic compounds and can be found in coal, petroleum and limestone. It is the principle strengthening ...