*Q.2.
Distinguish between Physical change and Chemical change.
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Explanation:
- Physical change – A change in the size, shape, color, or state of matter of a substance. No new substance is produced
- . Chemical change – The change of substances into different substances.
- Physical changes only change the appearance of a substance, not its chemical composition.
- Chemical changes cause a substance to change into an entirely substance with a new chemical formula.
- Chemical changes are also known as chemical reactions.
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