give one example of each ? chemical change in nature
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Science, Tech, Math › Science
Examples of Physical Changes and Chemical Changes
What Are Some Physical and Chemical Changes?
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In a physical change, matter changes form but not chemical identity. In a chemical change, a chemical reaction occurs and new products are formed.
ThoughtCo / Hilary Allison
By Anne Marie Helmenstine, Ph.D.
Updated May 10, 2019
Are you confused about the difference between chemical changes and physical changes and how to tell them apart? In a nutshell, a chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced.
Key Takeaways: Chemical and Physical Change Examples
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity.
Examples of chemical changes are burning, cooking, rusting, and rotting.
Examples of physical changes are boiling, melting, freezing, and shredding.
Often, physical changes can be undone, if energy is input. The only way to reverse a chemical change is via another chemical reaction.
Explanation:
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The changes in which new substance with new chemical properties are formed are called chemical changes.
Example: Reaction between washing soda and lemon juice in which CO
2
and other substances are formed.