There are 2; the melting of the candles wax is physical but the wick burning is chemical.
Melting (not a reaction, but a change of phase).
Burning a candle is a chemical reaction.
This type of reaction happens when nuclear fission occurs.
the nuclear kind
a log or even a gasoline soaked cloth. anything that is capable of possessing energy like a rubber band.
Candle wax is a form of chemical energy.
Nuclear fusion is the type of nuclear reaction that occurs in stars. Older stars with a collapsing center can exceed a temperature of one hundred million Kelvin.
When water is removed, dehydration is a type of reaction that occurs.
A fusion reaction.
This is a thermal degradation reaction.
This is a thermal degradation reaction.
maybe i dont care
An exothermic reaction is a reaction where heat or light energy is released. An example of this type of reaction is burning a candle.
Decomposition.
This is an endothermic reaction.
synthesis reaction
Rusting is a reduction/oxidation reaction.
Chemical reaction
This type of reaction is oxidation.