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What two examples is the physical change and chemical change of milk?
An example of a physical change in milk is when you freeze it, changing its state from liquid to solid without altering its chemical composition. A chemical change in milk occurs when it sours, involving the breakdown of lactose by bacteria to form lactic acid, altering its chemical composition.
Is the spoiling of milk a chemical or physical change?
The spoiling of milk is a chemical change. This is because the bacteria in the milk breaks down the proteins and fats in the milk, leading to a change in its chemical composition and properties. It cannot be reversed by physical means such as cooling or filtering.
Is souring milk a physical or chemical change Why or why not?
It's a chemical change. The smell is the giveaway; a smell that wasn't there before is often an indicator of a chemical change. Also, the rate at which the milk sours can be changed by heat. For example, milk in the refrigerator is actually undergoing this souring reaction at all times, but the lower temperature inside the refrigerator slows it down so that it takes many days. But if you leave it outside the refrigerator, it will sour much more quickly - in a matter of hours. An increase in heat, therefore, quickens the reaction rate. This would not be the case in a physical change.
When milk turns sour is it a chemical or physical change?
chemical change
Is mixing lemon juice with milk a physical change or chemical change?
Mixing lemon juice with milk would be a chemical change because the acid in the lemon juice can curdle the proteins in the milk, leading to a change in the chemical composition of the mixture.
Is it a chemical change when milk spoils?
Milk spoiling is a chemical change because certain chemicals in the milk are converted. Among these changes sugars in the milk become lactic acid.
What two examples is the physical change and chemical change of milk?
An example of a physical change in milk is when you freeze it, changing its state from liquid to solid without altering its chemical composition. A chemical change in milk occurs when it sours, involving the breakdown of lactose by bacteria to form lactic acid, altering its chemical composition.
Is the spoiling of milk a chemical or physical change?
The spoiling of milk is a chemical change. This is because the bacteria in the milk breaks down the proteins and fats in the milk, leading to a change in its chemical composition and properties. It cannot be reversed by physical means such as cooling or filtering.
Is a spoiled pear a physical or chemical change?
Spoiled food of any kind represents a CHEMICAL change.
What is causes milk to sour?
Milk is sour because it is spoiled and how milk spoils is if you leave it out so long that it will get so spoiled and it will smell so funny that you will wanna take it out of your refrigerator. So that is why milk is so sour.[ IF YOU DISAGREE TO ANY OF THIS MAKE YOU AN ACCOUNT AND CORRECT ME AND I WILL SEE WHAT YOU SAY AND ADD THAT TO WHY MILK SPOILS].
Is spoiled eggnog is a chemical or physical change?
Alteration is a chemical process.
Is curdling of milk is physical change or chemical change?
Milk curdling is a chemical change.
Is souring milk a physical or chemical change Why or why not?
It's a chemical change. The smell is the giveaway; a smell that wasn't there before is often an indicator of a chemical change. Also, the rate at which the milk sours can be changed by heat. For example, milk in the refrigerator is actually undergoing this souring reaction at all times, but the lower temperature inside the refrigerator slows it down so that it takes many days. But if you leave it outside the refrigerator, it will sour much more quickly - in a matter of hours. An increase in heat, therefore, quickens the reaction rate. This would not be the case in a physical change.
Why does spoiled milk smell?
Spoiled milk smells because the lactose in the milk starts to clogs up in the milk and the bacteria begins to float out or another bacteria im not quite sure.
Is milk sours a physical or chemical change?
chemical change
Is milk turning sour a physical or chemical change?
Milk turning sour is a chemical change. It occurs due to the fermentation of milk sugars by bacteria, leading to the production of lactic acid, which changes the taste and smell of the milk.
Is milk sours a example of physical change?
No, milk souring is an example of a chemical change. When milk sours, bacteria ferment the lactose in the milk, producing lactic acid, which changes the composition and properties of the milk. This is a chemical reaction, not a physical change.
