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.
Therefore, gold is often mixed with less malleable metals, such as copper or nickel, to form alloys that are not so easily dented. The great malleability of gold and its alloys is exemplified by gold leaf that is used in decorating picture frames or book covers.alleability is the ability of a substance, usually a metal, to be deformed or molded into a different shape. For chemists, the malleability of the metal gives an important means of describing the specific characteristics of a metal and relating it to the arrangement of the atoms within the metal.