Question

which of the following are physical changes melting of iron metal,bending of iron rod​

Answer 1

Answer:

ii) Rusting of iron. (iv) Bending of an iron rod. ... 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.

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Answer 2

Answer:

both are physical changes