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When a substance changes phase, this is a physical changerather than a chemical change. When water freezes to become ice, or when ice melts to become water, its all physical.

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14y ago
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15y ago

1)chemical,2)physical,3)physical,4)physical

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14y ago

When a new substnace is produced it is a chemical change. A physical change is when a object the same but in a diffrent form.

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13y ago
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11y ago

A change in which no new substance is produced is a physical change.

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14y ago

it results in pysicalreaction

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11y ago

Chemical reaction

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8y ago

This is a chemical change.

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8y ago

This is a chemical change.

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Q: When a substance undergoes a phase change what occurs a particle change a chemical change a new substance is formed a physical change?
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Continue Learning about Chemistry

When the substance undergoes a chemical change its identity deos not change?

It does change its physical look but it does not change chemically.


Is reactions a chemical or physical?

Chemical reactions are chemical processes.


A substance that undergoes a chemical change is still the same substance after the change?

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What happens to matter when it undergoes a physical and chemical change?

A chemical change cant be undone and a new substance, so in other words you cant reverse the effects and in the end you get ashes. An example of a chemical change would be burning paper and getting ashes. A physical change can be undone. An example of a physical change would be bending the paper because you can still get the paper back and no new substance is created.


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.

Related questions

What happens to particle size when a substance undergoes physical change?

It enlarges


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.


Are there changes in the chemical changes of a substance when it undergoes a physical change?

nada


When the substance undergoes a chemical change its identity deos not change?

It does change its physical look but it does not change chemically.


Is reactions a chemical or physical?

Chemical reactions are chemical processes.


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.


A substance that undergoes a chemical change is still the same substance after the change?

i want to know the answer.............................................................................................................................................................................. .................................................................................................................................. ................................................................................................................................................ .................................................................................................................................................... ................................................................................................................................. ...................................................................................................................................... but I don't!


When a substance undergoes a physical change what does not a change?

The chemical make up of a substance does not change. It must remain the same combination of atoms or molecules to be considered only a physical change.


What are the changes that matter undergoes?

the changes that matter undergoes are the physical and chemical change by:R.yu


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.


What happens when a clear substnace undergoes a chemical change?

It is no longer that same substance. A chemical changes the identity of the substance. Individual atoms cannot be broken down into smaller parts by normal physical or chemical change.


How do chemicals 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.