Question

Define physical changes with two exaples?​

Answer 1

Answer:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.In general a physical change is reversible using physical means. For example, salt dissolved in water can be recovered by allowing the water to evaporate.

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Answer 2

Answer:

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.

Explanation:

freezing of water.

tearing of paper.

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