Question

How is the burning of candle a physical as well as a chemical changes

Answer 1

Burning of candle is a physical change because when candle burns solid wax converts into liquid form. This is a physical change. Now, the volatile wax near the wick burns to give carbon dioxide, soot, etc. This is a chemical change.

So burning of candle involves both physical and chemical changes.

Answer 2

In a burning candle, there are bothphysical and chemical changes. Themelting of the solid wax to form liquidwax and the evaporation of liquid waxto form wax vapour are physical changes. ... The wax vapour reacts with oxygen in the air to form new substances including carbon dioxide and ash.
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