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Chemical Changes in common processes

Need help answering the following questions:

1. When a copper tree is placed in a liquid, what other evidence of chemical changes (besides forming solid crystals) in the liquid occurs?

2. Does a chemical change occur when you cook an egg? Why or why not?
When you fry an egg, it becomes a solid, the heat makes it smoke, and the color changes from clear and yellow to all yellow.

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  • Category:- Chemistry
  • Reference No.:- M9409642

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