Vinegar - acetic acid Citrus fruit - Citric acid Other fruit - malic acid
Lots of things. If you look on the ingredient list in the back of a food label, you can see how much iron is in things.
that stuff that u use in your bathrooms to seal bathtubs and showers
alkaline households could be toothpaste, washing up liquid, washing power, mouthwash, shampoo, soap and bleach.
A silicon chip is in a computer, and objects that you use in your kitchen, such as a blender, and a microwave!