Science Class 5 Matter

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Which of the following is not a chemical reaction?

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Answer: D. Evaporation of water from a cup

Evaporation is a physical change, not a chemical reaction. During evaporation, water molecules change from a liquid state to a gaseous state (water vapour), but their chemical composition
remains exactly the same.

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