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Answered 2015-01-29 15:59:11

A chemical change involve a change of composition.

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What is its does not change by a subastance undergoes a physical change?

The chemical composition of a substance does not change when it undergoes a physical change.


How do chemical changes differ from physical changes?

When matter undergoes a chemical change, the composition of the matter changes. When matter undergoes a physical change, composition of the matter remains the same.




When ice melts what happens to its chemical composition?

the chemical composition does not change.



What happens when a substance undergoes a chemical change?

The chemical makeup changes in the substance.


What happens when a pure substance undergoes a chemical change?

when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped


When a substance undergoes a chemical change its identity does not change?

When a substance undergoes a chemical change its identity is changed.


What substance undergoes no chemical change during a chemical reaction?

A catalyst undergoes no chemical change during a chemical reaction.


The rate at which a substance undergoes a chemical change?

Reactivity is the rate at which a substance undergoes a chemical change.



A substance that undergoes change in a chemical reaction is called a what?

A substance that undergoes change in a chemical reaction is called a reactant.



Does a physical change make the substance that undergoes it a different substance if not then what can change?

After a physical change a substance does not change its chemical composition it simply changes its state as, water to ice or vapours.


Gold is hammered into thin sheets physical or chemical change?

In a chemical change a substance undergoes a change in chemical composition. The appearance of the gold was changed in this case and not chemically combined with other elements to form new substances. Thus, this change is a physical change.


Is a physical change a chemical change?

No. A physical change is a change that does not change the chemical composition of a substance, while a chemical change does change the chemical composition of a substance.



Is steam turning into water chemical or physical?

Chemical changes are those in which the chemical composition of a substance changes during the process. But when steam turns into water or vice versa, only the physical state of the substance undergoes a change but the chemical composition remains same. Thus steam turning into water is a physical change.


when a candle is lit it undergoes a chemical change?

That is correct, a candle (or the material of which it is composed, which is usually paraffin) undergoes a chemical change when it burns.


What indicates a chemical change happens while cooking?

The chemical composition of foods is changed during cooking.


Does the volume change in a chemical change?

if a substance undergoes a chemical change, could its volume change?


How can you determine if a change is a physical or chemical?

A physical change does not change the chemical composition of the substance undergoing the change, however, a chemical change does cause a change in chemical composition.


How can volume change if a substance undergoes a chemical change?

If a substance undergoes a chemical change, its properties change. For example, water, when heated turns into a gas which has a higher volume.


Which statement best describes what happens during a chemical change?

A chemical change involve the transformation of reactants in products, a modification in chemical composition and structure.


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