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When milk spoils it smells bad What kind of reaction is it?
Chemical change
Is milk spoils a physical or a chemical?
Physical.
Which type of milk spoils the quickest Why?
I think seafood spoils quicker than milk, but milk spoils due to the bacteria that are naturally found in milk. Pasteurization eliminates pathogens and reduces the overall bacterial load. Since it is not sterilized, milk will eventually spoil even when refrigerated.
When a glass of milk spoils for a week does it cause a physical or chemical change?
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.
When milk spoils it smell bad is this a physical change or chemical change?
It is a chemical change because you cannot not make the smell go away, if you could it would be a physical change
Does pH of milk change as it spoils?
Yes, as milk spoils, the pH level decreases due to lactic acid production by bacteria that is present in the milk. This decrease in pH contributes to the sour taste and smell associated with spoiled milk.
What is the following is a physical property of a substance?
Chalk can be broken into pieces.
When milk spoils it smells bad this is a sign of?
The bad smell from spoiled milk is due to the breakdown of proteins in the milk by bacteria. This results in the release of compounds such as butyric acid, causing the unpleasant odor. The presence of foul-smelling volatile compounds indicates that the milk is no longer safe to consume.
What is the physical changes in matter?
Physical changes in matter are when physical properties are changed. Some physical properties are size and color. When a physical change in matter occurs, the material may have changed size (gotten smaller) due to weathering and erosion. Chemical changes are when the chemical composition of a substnce is changed. For example a chemical change would be iron turning into rust due to the process of oxidation
Are drops of cold milk added to hot coffee a chemical or physical change?
Adding cold milk to hot coffee is a physical change because the milk and coffee retain their original chemical properties after mixing. The change in temperature is a physical property of the substances.
Is boiling milk a physical change or chemical?
Boiling milk is a physical change because it does not alter the chemical composition of the milk. The heat causes the milk to change from a liquid to a gas without changing its molecular structure.
Does adding vinegar to milk saw that milk so that the milk will curdle cause a physical change wilco don't cause a physical change?
This is a chemical change.
