When we burn a candle, which of the following changes occur?
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
burning of a candle maybe considered as showing physical and chemical changes occuring simultaneously ?
If we burn a candle what changes is occur around us?
Except burning of candle find the which has both physical and chemical change in it ?