Question

Burning of a candle is a chemical as well as physical change, why?

1. The physical change occurs when the wax of candle melts and it loses its shape
2. The chemical change is combustion of fuel in presence of oxygen. This leads to the production and emission of carbon dioxide from the flame
3. The burning of a candle is only a chemical change
4. The burning of a candle is only a physical change

• A. Statement 3 is correct
• B. Statement 4 is correct
• C. Statement 1 and 2 are both wrong
• D. Statement 1 and 2 are both correct

Answer 1

The correct option is D

Statement 1 and 2 are both correct

Burning of a candle is both a chemical and a physical reaction. The physical change occurs when the wax of candle melts and it loses its shape.
The chemical change is combustion of fuel in presence of oxygen to produce carbon dioxide.