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Change of state from a liquid to a solid and back again.

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15y ago

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Related Questions

Is a given change a chemical or a physical change?

It depends. Physical can be easily reversed. Chemical is hard, if not impossible to reverse.


Why can a physical change be easily reversed?

it can be easily reversed because nothing new is produced. it is the same particles but just rearranged. it is just a change in size, shape or state ***IT IS REVERSIBLE*** but what physical change is not easy to reverse?


What is physical change in matter?

A physical change is a change to a substance/object which can be easily reversed, and no new substance is formed from it (as opposed to chemical change). The state of matter is usually changed, for example, turning from a solid to a liquid. e.g. ice cube melting


How is sour milk a chemical change?

When milk turns sour, it is a chemical change because the bacteria in the milk ferment the lactose sugar into lactic acid, which changes the composition of the milk. This process cannot be easily reversed, making it a chemical change rather than a physical one.


Is molded clay physical or chemical change?

physical, because it can be easily reversed


Why physical change can easily be reversed but chemical change cannot?

Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.


What is a Non reversible physical change for water?

One example of a non-reversible physical change for water is freezing. When water freezes, it changes from a liquid to a solid state, and this change cannot be easily reversed simply by raising the temperature back to its original state.


Is rust an example of a chemical change or a physical change?

rusting is oxidation, so it is definitely a chemical change


What are some characteristics for a physical change?

A physical change is a change that can be reversed easily and no new substances are made. Examples are state changes ie. solid to liquid or liquid to gas.


What is an example of a physical change that can be reversed?

A reversible change is when something can turn back into its original shape for example when ice is melted it turns into a liquid but then you can freeze it into a solid again do the change is reversible because it can change back into its original starter which is the ice in this case. But if you make a cake it is not reversible because all of the mixture has mixed together and it turns into one object this is called a chemical change. Also a reversible change is a physical change! Hope this helped ;)


Why physical changes can easily be reversed but why chemical cannot?

Physical changes are generally easy to reverse because NO ENERGY is produced by the substance.A Chemical change cannot be reversed because ENERGY is produced by the substance forming a new substance.


Is rust an example of a physical change or a chemical change?

It is an example of chemical change which cannot be reversed. In this change, Iron oxidizes under the presence of oxygen and moisture. The reaction is called a reduction-oxidation, or redox, reaction.