Question

D. Match the following:
1. Curdling
2. Rusting of iron
3. Earthquake
4. Sublimation ofbcamphor
5. Boiling
a. Reversible change
b. Physical change
c. Desirable change
d. Chemical change
e. Undesirable
change​

Answer 1

Answer:

1. Curdling: E, Undesirable change

2. Rusting of Iron:  D, Chemical change

3. Earthquake: B, Physical change

4. Sublimation of camphor: C, Desirable change

5. Boiling: A, Reversible Change

Answer 2

Answer:

Match the following

Curdling. Reversible change

Rusting of iron. Physical change

Earthquake desirable change

Sublimation of camphor.Chemical change

Boling. Undesirable change