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Q: How are physical and chemical changes distinguished?
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Related questions

What are the chemical and physical changes of photosynthesis?

There are no physical changes. there are only chemical changes.


Are state changes chemical or physical changes?

Physical Changes


Are all physical changes accompanied by chemical changes?

Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.


How can a physical change be distinguished from a chemical change?

A physical change doesn't modify the structure of a substance (the chemical formula).


Chemical changes can be reserved by physical change?

No, chemical changes can only be reversed by chemical means, not by physical means.


How can individual compounds be differentiated?

Compounds are distinguished from each other by their characteristic physical and chemical properties.


Are phase changes physical or chemical in nature?

A phase change is a physical change. It is not a chemical change.


Are all physical changes accompanied by a chemical change?

A physical change is a change in chemical composition. A physical change is a change where chemical composition is not altered. Not all chemical changes are accompanied by a physical change, but some are. The same is true for the reverse.


Which occurs more often on earth physical changes or chemical changes?

what involves both chemical and physical change on earths surface


Is physical and chemical changes a scientific method?

Chemical and physical changes are part of methods applied in science.


What are physical and chemical?

physical changes do not change the chemical properties of a substance


Is Reactivity chemical or physical changes?

chemical