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Physical changes are reversible. Water turns into ice cubes at lower temperatures and back to water at room temperature

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Why are most physical changes reversable?

Most physical changes are reversible because they involve only changes in the physical state or appearance of a substance, rather than its chemical composition. Reversible changes usually involve processes like melting, freezing, dissolving, or changes in shape, which can be easily reversed by applying the appropriate conditions to change the substance back to its original state.


What is the type of matter change in which matter stays the same and no new substances are formed?

A physical change is a type of matter change in which the substance's chemical composition remains the same, and no new substances are formed. Examples of physical changes include changes in state (solid to liquid), changes in shape, or changes in size.


Can silicon undergo a physical and chemical change?

Yes, silicon can undergo physical changes such as melting and crystallizing. It can also undergo chemical changes when it reacts with other elements, forming compounds like silicon dioxide (SiO2) or silicon carbide (SiC).


Is solid iodine sublimes into purple vapor a physical or chemical change?

Sublimation of solid iodine into purple vapor is a physical change because the chemical composition of iodine remains the same throughout the process. Only the physical state changes from solid to gas.


Does copper sulphate undergo any physical or chemical changes during heating?

When heated, copper sulfate undergoes a reversible physical change where it loses its water molecules (dehydration) and changes color from blue to white. This process is purely physical and does not involve any chemical reactions.

Related Questions

Is sugar dissolving in water a chemical change?

no....it is a physical change as it is only changing its state and it is reversable. somtimes it is reversable


Is setting clsy is an reverseble or irrevessable Changes?

if it is not in the oven it is reversable


What are signs a physical change has occured?

change in the form -in general can be indicated for the physical form. The substance may dissolve or its stage may change. If the change is physical, it should be reversable.


What is the differences between physical and chemical change in tabular form?

physical change are reversable


Is burning a wooden match physical or chemical?

Chemical, it isn't reversable.


Why are most physical changes reversable?

Most physical changes are reversible because they involve only changes in the physical state or appearance of a substance, rather than its chemical composition. Reversible changes usually involve processes like melting, freezing, dissolving, or changes in shape, which can be easily reversed by applying the appropriate conditions to change the substance back to its original state.


How is freezing mercury a reversable physical change?

During freezing the chemical nature of mercury remain unchanged.


Is a physical change a change that you make something but you can change it back to its normal shape?

yes. a chemical change/reaction is irriversable, whereas a physical change/reaction is reversable.


Difference between chemical and physical changes?

a physical change is the form of matter but not in its chemical identity or is when the state or shape of matter is changed.physical change is reversable or temporary while a chemical is permenent or cannot be reversed.a chemical change is a change in which one or more kinds of matter are transformed into a new kind of matter.


Is sugar cube dissolved in water a chemical change?

No, dissolving a sugar cube in water is a physical change, not a chemical change. The sugar molecules simply disperse in the water, breaking apart but not undergoing a chemical reaction to form new substances.


Are state changes chemical or physical changes?

Physical Changes


For water write a sentence about the physical changes?

water into ice water into steam both above are the physical changes physical changes means reversable change which can be brought into its original state eg:steam can be converted into water by cooling and ice into water upopn heating............ its true try it............