2. W
3. What are physical changes? Give two examples.
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Answered by
1
Explanation:
physical change is involves in the Change of physical properties ...
example :-1)ice melting
2)transition of a gas
Answered by
1
✔ Physical changes are the changes which change the appearance of a substance but not its chemical composition.
✔ No new product is formed after the physical change.
✔ They are reversible.
✔Some examples for physical changes : an ice cube melting into water , mixing sand and water. etc..
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