aalaali07 aalaali07

13-05-2020
Physics

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When a chemical change happens we sometimes see a colour change. What other observations tell you that a chemical change is happening?

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lodaylhawang9 lodaylhawang9

13-05-2020

Answer:

Rusting of irons

Change in molecular composition

irreversible change

Explanation:

chemical change Is an irreversible change so we will only observe permanent change

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