Chemistry · Changes Around Us
When a candle burns, the following observations are made: a. Its size decreases. b. There is melting of wax. c. Flame and soot can be seen. d. Melted wax also solidifies. From these observations, which of the following statements is correct?
- 1a, b and c are physical changes.
- 2a & b are physical changes and c & d are chemical changes.
- 3c is a chemical change and others are physical changes.✓
- 4a is a physical change and others are chemical changes.
Correct answer
c is a chemical change and others are physical changes.
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