Question

what is chemical changes and explain​

Answer 1

Answer:

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.

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Explanation:

Answer 2

Answer:

A chemical change, also known as a chemical reaction, is a process that transforms one or more substances into one or more new and different substances.

Characteristics of chemical change

• Change in state
• Change in colour
• Change in temperature
• Evolution of gas