Question

Classify the following as reversible or irreversible changes:
(i) Growth of a plant
(ii) Ploughing a field,
(ii) Melting of wax
(iv) Falling of rain
(v) Pulling of rubber string
(vi) Breaking of a glass rod
(mi) Cooking of food.

Answer 1

Answer:

Explanation:

1.  growth of plant is irreversible.

2.  ploughing a feild is reversible

3.  melting a wax is reversible

4. falling a rain is reversible

5.  pulling a rubber band is reversible

6.  breaking a glass rod is irreversible

7.  cooking of food irreversible.

Answer 2

irreversible

1. growth of a plant

2.breaking of a glass rod

3. cooking of food

reversible

1. ploughinga field

2.melting of wax

3. falling of rain

4. pulling of rubber string

hope its correct