can anyone define Physical change
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A physical change is a change in which no new substances are formed. Physical changes affect the form of a chemical substance, but not its chemical composition. Mixtures can be separated into their parts by physical methods, such as spinning in a centrifuge.
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Answer:
physical change is when a scientific change is reversible.what i mean by this is that it can be changed back to what it first was.
e.g
an ice cube melting.this would be reversible as you can freeze it to make it an ice cube again.
you probably won't need this but a chemical change is when something is irreversible.
eg
an egg
once you cook that egg,you can't make it into a an egg in the shell.
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