What is a physical change?
What do you understand by physical change in chemistry? Give an example of a physical change.
A physical change can affect the size, shape or color of a substance but does not affect its composition. The substances may be changed to another phase (i.e. gas, liquid, solid) or separated or combined.
when ice melts
when sulfur is mixed with iron filings.
breaking a glass
dissolving sugar in water
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