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

User Ssdehero
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1 Answer

3 votes

Answer:

Rusting of irons

Change in molecular composition

irreversible change

Step-by-step explanation:

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

User Pranav Pavan
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