It is a chemical change because you cannot not make the smell go away, if you could it would be a physical 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.
Smell is a physical property. It it caused by small amounts of the airborne substance undergoing chemical reactions with receptors in your nose.The smell of perfume is a physical not a chemical
Pungent odor is a physical change because it only affects the sense of smell without altering the chemical composition of the substance emitting the odor.
The smell of alcohol is not a physical change; rather, it is the result of the volatile compounds in alcohol evaporating into the air. When alcohol evaporates, it changes from a liquid to a gas, which can be detected by our sense of smell. This process is a physical change, as it involves a change in state without altering the chemical composition of the alcohol itself.
Your SENSE of smell is physical, but smells are created by chemical interactions.
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.
Smell is a physical property. It it caused by small amounts of the airborne substance undergoing chemical reactions with receptors in your nose.The smell of perfume is a physical not a chemical
Melting is a change of state. Technically you could chill it again and change it back to icecream. You'd just have to have it churning to keep it mixed correctly. Now, if it spoils, then that is a chemical change! You can tell by a change in color, smell and inability to change it back to its original state.
no,it is a chemical change because the cookies change shape and smell,don't they?
Pungent odor is a physical change because it only affects the sense of smell without altering the chemical composition of the substance emitting the odor.
The answer is physical because in physical they are 5 senses see, hear, touch,smell. The toasted marsh mallow you can taste it, smell it when you are far, touch it when you eat it, you can hear it when it comes out of the oven,and you can see it when it's on your plate.
The smell of alcohol is not a physical change; rather, it is the result of the volatile compounds in alcohol evaporating into the air. When alcohol evaporates, it changes from a liquid to a gas, which can be detected by our sense of smell. This process is a physical change, as it involves a change in state without altering the chemical composition of the alcohol itself.
It's a physical property, because physical properties are color, smell, freezing point, boiling point, melting point, apprearance, or repulsion (diamagnetic) to magnets, opacity, viscosity and density.
Your SENSE of smell is physical, but smells are created by chemical interactions.
The smell of alcohol is considered a physical property. It is related to the compound's volatility and the way its molecules interact with olfactory receptors in the nose. While the odor can indicate the presence of certain chemical compounds, the smell itself does not involve a change in the chemical structure of the alcohol.
AnswerNeither. Odor is not a change at all. Odor is airborne molecules that have a particular smell. A change is a process and odor is not a process. The things which cause odors can be either physical or chemical. For instance, the body odor is caused by chemical changes, but if you open jar of a smelly chemical, that is a physical change (some of the molecules of the chemical are evaporating and are thus airborne).When talking about mixing chemicals and substances, a change in odor is a chemical change.(I assume this is what you meant when you asked is odor a chemical or 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.