What is a chemical change? Explain with example & write word equation and chemical equation for the 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 CO2 and other substances are formed.
The chemical reaction 2 H2(g) + O2(g) → 2 H2O(g) would be expressed as:
The chemical reaction 2 H2(g) + O2(g) → 2 H2O(g) would be expressed as:hydrogen gas + oxygen gas → steam
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