Question

Which of the following is a chemical change?

a) Melting of iron metal b) Rusting of Iron

c) Bending of an iron rod d) Drawing a wire of iron metal​

Answer 1

Answer:

B and D thanks you

Explanation:

hope you find your answer

Answer 2

Answer:

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Explanation:

(i) Melting of iron metal, (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.