Question

How is a burning candle an example of both physical and chemical change?​

Answer 1

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Physical changes in burning candle On heating, candle's wax melts, it is a physical change. Since, it again turns into solid wax on cooling. The change is reversible. Chemical changes in burning candle The wax near to flame burns and gives new substances like carbon dioxide, carbon soot, water vapours, heat and light.

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Answer 2

Answer:

When a candle burns, both physical & chemical changes occur. On heating, candle wax melts and form liquid wax. It is a physical change. ... When a candle is burnt in air, the mass of the product is increased due to atmospheric oxygen which show a that it is a chemical change.