Question

1 Which of the following is not a physical change?
(a) Bending of glass rod
(b) Rusting of iron
(c) Cutting of iron rod
(d) Melting of iron ​

Answer 1

Answer:

Rusting of Iron is a chemical change

Answer 2

Answer :

Rusting of iron

Explanation : It is a chemical change because it is an irreversible change and a new substance is formed

All the other processes just change the physical properties of the object and no new substance is formed in all other cases