Question

E. Answer the following questions.
1. How are reversible changes different from irreversible changes? Give two examples for each type.
2. Classify the following as reversible or irreversible changes: (a) melting of butter, (b) ripening of
mango, (c) expansion of a metal, and (d) baking of a cake.
3. Name the three physical states of water. Explain the statement: The change of states of water is
a reversible change
What are physical changes? Give two examples.
5. What are chemical changes? Give two examples.
6. Why does an inflated balloon shrink in size when kept inside a freezer?​

Answer 1

Answer:

reversible changes are those which have a original properties .

example. ice melts to form water and water freezes to form ice

here the products contain the original properties .

irreversible change are those which do not contain original properties

example .on rooting of fruit