Question

2.
sible and irreversible changes? Explain
3. Explain with the help of an activity that changes involve interaction.
4. Give reasons:
(a) Melting of ice cream is considered as a physical change.
(b) Folding of a piece of cloth is a reversible change.
(c) Ripening of fruits is considered as a chemical change.
5. Explain expansion in solids with the help of some examples?​

Answer 1

Answer:

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