Question

2
what is a phisical change
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Answer 1

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.

Answer 2

Explanation:

Physical changes: When a substance undergoes a physical change, it does not give rise to a different kind of substance or there is no new substance is formed. ... A physical change is a reversible change. For example; heating of water melting of butter, cutting of paper etc.