ICSE BoardEnglish MediumSTD 6CHEMISTRYChanges Around Us2 Marks
Question
Give two reasons to explain whether the following are physical or chemical changes. Rusting of iron
✓
Answer
Rusting of iron is a chemical change as the composition and properties of rust are different from those of iron. Rust cannot be converted back to iron by simple physical methods. Therefore, the change is irreversible and permanent.
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