Question

which of the following are physical changes first melting of iron metal second rusting of iron III bending of an iron rod forth drawing a wire of iron metal?

there are 3 answers for this question


plz ANSWER​

Answer 1

Answer:

(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.

Answer 2

Answer:

melting of iron, bending of iron rod and drawing a wire of iron metal are physical changes.