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ChemistryChemistry
24 December, 10:59

What happens when a substance undergoes a physical change?

Some physical properties change, but the substace keeps its identity.

No physical properties change, and the substance keeps its identity.

Some physical properties change, and the substance changes its identity.

No physical properties change, but the substance changes its identity.

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Answers (1)
  1. 24 December, 11:06
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    some physical properties change but it still keeps its identity.

    Explanation:

    Like when an iron bar is turned into iron filings ... it is still iron but it has changed physically.
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