If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a
Question
If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a
Solution
This is called a physical change. 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.
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