Question

Burning a candle melts the wax, but also burns the wick. Explain how burning a candle involves both physical and chemical changes.

Answer 1

Answer:

Burning of the candle is both physical and chemical change. Burning of the candle melts the wax and hence physical state of wax has changed from solid to liquid.  

Again the wax combines with the atmospheric oxygen and changes to carbon dioxide, heat and light.  

Thus both the changes are accompanied by the burning of the candle.

Explanation:

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~mina