When there is food in the stomach the pH can raise to as high as 4-5. After the food leaves the stomach bicarbonate ions are secreted to neutralize and alkalinize the mixture. The pH of the small intestine is approximately 8. As far as how long food stays in your stomach it depends on what that food is.
Rating Newest Oldest. Best Answer: B Malleability A chemical property is one you can observe during a chemical reaction. Malleability really has nothing to do with chemical reactions, and afterwards you still have the same substance, nothing is chemically changed. Source(s): Col. S Â· 7 years ago.
Lesson 3. Metals, Nonmetals, and Metalloids. Of all the elements, about 75% are classified as metals. Metals share a common set of properties. A shiny surface is one of the easiest ways to identify a metal. Malleability is the ability to be bent, flattened, or hammered without breaking. Ductility is the ability to be pulled into thin wires without breaking. Corrosion is when metals combine with nonmetals from the environment. A semiconductor is a material that has properties in between conductors and insulators.