How do you know if it is a physical change 2024?

Ethan Lee | 2023-04-20 15:48:03 | page views:1640
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Harper Patel

Studied at the University of Lagos, Lives in Lagos, Nigeria.
There are four signs that a chemical reaction has occurred: a change in color, a change in temperature, formation of a gas or formation of a precipitate. A precipitate is a solid that forms when two liquid solutions are mixed. As matter changes in a chemical reaction, it can either absorb or release energy.
2023-04-20 15:48:03

Lily Gonzales

QuesHub.com delivers expert answers and knowledge to you.
There are four signs that a chemical reaction has occurred: a change in color, a change in temperature, formation of a gas or formation of a precipitate. A precipitate is a solid that forms when two liquid solutions are mixed. As matter changes in a chemical reaction, it can either absorb or release energy.
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