Which one of the following statements is NOT correct ?
- A. The interconversion of states of matter is a physical change
- B. During burning of a candle, both chemical and physical changes take place
- C. During a physical change, the chemical composition of molecules changes ✓
- D. Rusting of iron is a chemical change
Correct Answer: C. During a physical change, the chemical composition of molecules changes
Explanation
During a physical change, the substance undergoes a change in form or state, but its fundamental chemical composition remains exactly the same.
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