Which of the following are physical changes? (i) Melting of iron metal (ii) Rusting of iron (iii) Bending of an iron rod (iv) Drawing a wire of iron metal (a) (i), (ii) and (iii) (b) (i), (ii) and (iv) (c) (i), (iii) and (iv) (ii), (iii) and (iv)
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
- Solution:
The answer is (c) (i), (iii) and (iv)
Explanation
Rusting of iron is a chemical process where iron reacts with water and oxygen to produce iron oxide, whereas other processes are physical changes.
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