Question

Which of the following are physical changes?

i)Melting of iron metal
ii) rusting of iron
iii)bending of iron rod
drawing a wire of iron metal.
Also give reason.​

Answer 1

Answer:

III) bending of iron rod

Explanation:

because a bending of rod we don't get any new substance

Answer 2

Explanation:

(i) and (iii)

because in these processes, iron changes its form, not the chemical composition.

hope it helps........