question_answer 10)

Give examples to explain the difference between changes that can or cannot be reversed.

Answer:

(a) Changes that can be reversed In such changes, we can go back to original state. These changes are also known as reversible changes. Some examples are as follows: (i) Melting of ice (ii) Drying of clothes (iii) Knitting of sweater (iv) Heating of milk (v) Stretching the rubber band (b) Changes that cannot be reversed In such changes, we cannot go back to original state. These changes are also known as irreversible changes. Some examples are as follow: (i) Making curd from milk (ii) Making flour from grain (iii) Boiling of egg (iv) Growth of plants (v) Burning of paper or wood