Question

Why is the melting of wax a physical change ?

Answer 1

Answer:

Melting of wax is a physical change but burning of a candle is a chemical change. In melting of wax, only the state of wax changes from solid to liquid. It is a reversible reaction and no new substance is formed. ... When the candle burns, the wax slowly melts which freezes after some time (Physical change).

Answer 2

Answer:

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It is a physical change because when it is cooled down it re-gain its shape again and becomes wax.

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