Question

Burning of candle is a physical or chemical change? Explain. ​

Answer 1

Answer:

Both physical & chemical changes.

Explanation:

When a candle burns, both physical & chemical changes occur. On heating, candle wax melts and form liquid wax. It is a physical change. Since it again turns into solid wax on cooling. This is a reversible 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.

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Answer 2

Answer:

burning of a candle is a chemical change bcoz when the candle is burnt it turns into ashes and we can not bring back the candle . And if it would be melting of candle then it would be physical change bcoz we can bring back candle from its wax

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