Question

why burning of candle is both physical and chemical change?

Answer 1

Burning of candle can be termed as both physical and chemical change because when the candle burns some of the wax gets vaporized and other wax flows down due to heat produced and that wax get cooled it can be again

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Answer 2

The physical change in the candle is that the wax melts, then freezes back into the solid state again, and the chemical change are that the wick burns, soot, and smoke. The physical change in the candle is that the wax melts into liquid, and then freezes back into solid.