Question

CLASSIFY THE FOLLOWING CHANGES INTO REVERSIBLE AND IRREVERSIBLE CHANGES-

1. Burning of paper
2. Sawing of wood
3. Cooking of food
4. Change of water into water vapors
5. Ironing of clothes
6. Germination of seed
7. Formation of curd from milk
8. Ripening of fruits
9. Boiling of raw egg in water
10. Rusting of iron

Answer 1

Answer:

1. irreversible

2. irreversible

3. irreversible

4. reversible

5. reversible

6. irreversible

7. irreversible

8. irreversible

9. irreversible

10. irreversible mostly

Answer 2

Answer:

IRREVERSIBLE : Burning of paper, Sawing of wood , Cooking of food, Germination of seed, Formation of curd from milk , Ripening of fruits, Boiling of raw egg in water , Rusting of iron

REVERSIBLE : Ironing of clothes, Change of water into water vapors