Other contributors have said "What are the chemical experimentsfor awhite and acoloured candle?" is the same question as "What is the chemical property of a candle?" If you believe that these are not asking the same thing and should be answered differently, click here
Yes and no. The act of melting the wax is a physical change, because you can re-mould it, but, you cant unburn the wick. Remember, if it can be redone, it is probably physical and vice verca.