What is a chemical change? Explain with example.

Question

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Answer 1

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 $C O_{2}$ and other substances are formed.

Answer 2

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

C O_{2}

and other substances are formed.