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Haven Howe
Chemistry
3 July, 06:24
Why is cutting hair a physical?
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Sierra Hernandez
3 July, 06:30
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It is a physical because you are only changing the physical appearance. You are not making a chemical change to it.
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Bella Gilbert
3 July, 06:53
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They do not change the nature of the substance unless a chemical change occurs along with the physical change. These may be irreversible, but the result is still composed of the same molecules. When you cut your hair, that is a physical change, even though you can't put the hair back on your head again
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