A) Digestion of food in our body
B) Process of respiration
C) Burning of candle wick when heated
D) Melting of candle wax on heating
Correct Answer: D
Solution :
When candle wax melts, it only changes its physical state from a solid to a liquid. Its chemical makeup doesnt change. So it is a physical change and not a chemical reaction.You need to login to perform this action.
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