Essentially it is parafin wax which is made of a group of chmeicals called alkanes with carbon chains in the order 20 to 40 carbons long and all fully saturated with hydrogen.
Yes, burning a candle is a chemical reaction. The easiest way to tell if something is a chemical reaction is if heat or light are given of, a new substance is formed, or a colour change happens....
When a candle burns the wax is reacting with oxygen in the air to give out heat and light.If you give the candle more oxygen then it will burn brighter ... but it will burn out more quickly.The...
the chemical change occurs when the wick burns, because you can't unburn the wick. but a physical change is when the wax melts, because you can make the wax hard again.