Sour taste is a result of a chemical property. Certain chemicals - acids in particular - produce a sour taste when they come in contact with the appropriate taste buds. The chemical interaction of those chemicals with the taste buds yeilds a stimulus of those taste buds that the brain interprets as "sour".
yes See Is Sour Milk a physical or chemical change for more info
A sour taste results from chemical content -- the substance triggers chemical receptors on the tongue (sometimes also odor receptors in the nose). A sour flavor results from a chemical change within certain foods, or from the growth of microorganisms in the food.
The anomalous taste of milk is the result of a biochemical process.
A sour taste is chemical and it can be caused by anything from bad teeth; problems with digesting food; Acid Relux where the acid comes from the stomach up through the throat to the back of the throat giving off a acidic and sour taste in the mouth so, it's part hormonal and chemical.
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Sour taste is associated with acids (technically, pH less than 7).
Milk going sour is a chemical change.
Physical changes are like water turning into ice, they can be reversed. Chemical changes form a new substance. Soured milk can not be reversed, so it is chemical.
Milk turning sour is a chemical change.
Acids (pH <7) have a sour taste, like lemons; Bases (pH >7) have a bitter taste, like grapefruit.
It is a chemical change.
Sour-tasting and corrosive substances will be acidic, or have a pH of
Milk going sour would be considered a chemical change. The sour taste and smell come from bacteria and chemicals reacting, and milk cannot revert to its original freshness once it has soured.
It is a chemical change.
This is a chemical change.
no bases do not taste sour they taste bitter, acids taste sour
Sour!! it is also a strong chemical taste,take a swig of bleach you will find out
Acids taste sour because sour is acid.
Acids create the sour taste. Most of the fruits have sour taste.
Calamansi is Acidic,Sour
Both: a physical change as the curds (solids) separates from the whey (liquid), and a chemical change as the decomposition of the milk takes place, producing molds on the surface and a sour smell and taste.
Acids have frequently a sour taste.
The same reason you flinch and feel pain when you hurt yourself. It's a reaction to your taste buds to something sharp and extreme in flavor such as a sour.