For example melting of lead.
It is a physical change. Any change in state or temperature is only physical unless it causes the atoms in the molecules to separate or rearrange themselves. In the case of freezing a biological sample, the point is to preserve it as it is, so the change would only be physical.
It is a Physical change
It is a physical change.
physical change
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
composition
A physical property can be observed without changing the sample. Chemical properties requires you to change the sample.
Substance in the material Remain the same
It is a physical change. Any change in state or temperature is only physical unless it causes the atoms in the molecules to separate or rearrange themselves. In the case of freezing a biological sample, the point is to preserve it as it is, so the change would only be physical.
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It is a Physical change
It is a physical change.
Crumple is a physical change.
physical change
Physical weathering only affects the size of a sample.
Physical
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??