Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iv) Bending of an iron rod
(v) Drawing a wire of iron metal

Options

A. (i), (ii) and (iii)
B. (i) ,(ii) and (iv)
C. (i), (iii) and (iv)
D. (ii), (iii) and (iv)

Answer

C

Explanation

Option (i) Melting of iron meta, (iii) Bending of an iron rod and (iv) Drawing a wire of iron metal are physical changes, because in three processes, iron changes its form, not the chemical composition. In rusting of iron, its chemical composition is changed.