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1. What happens in any chemical change?
2. List three signs that a chemical change has occurred.
3. Give an example of a chemical change. Explain why you think it is a chemical change.
4. Why can chemical changes often not be reversed?

Answer :

BRAYDEN6371GO
1. Chemical change changes the objects color, shape, form or smell
2.burning something, cooking something and rotting
3. Rusting, I think rusting is a chemical change because the air is rusting a object and the air begins to change the color and shape
4. Because once a chemical change happens it will most of the time happen fast

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