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This is a chemical change.

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Q: Is a bottle of milk that sours a physical or chemical change?
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When milk sours does it become a physical change?

No it is a chemical change because you change it back to normal.


Is milk sours a example of physical change?

No, a chemical change. Taste and smell are indicators of chemical composition, so a change in those would indicate a chemical change.


Is milk sours a physical or chemical change?

chemical change


What type of property is observed when milk sours?

When milk sours it is a chemical change. It is caused by lactic acid which converts the milk and makes it become sour.


When milk sours it undergoes a chemical change because?

yes because it is a different substance than before :)


Why is churning a chemical change?

Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it a chemical change.


Is turning milk into ice cream a chemical change or a physical change?

Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it 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.


What is Sours's population?

The population of Sours is 1,774.


What is the area of Sours?

The area of Sours is 33.15 square kilometers.


How do you spell sours?

SAUERKRAUT


What actors and actresses appeared in Sours and Sweets - 1904?

The cast of Sours and Sweets - 1904 includes: Kenneth Barker