Question

how is burning of a candle both a physical change and chemical change.

मोमबत्ती का जलना शारीरिक परिवर्तन और रासायनिक परिवर्तन दोनों है​

Answer 1

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Wax of the candle is made of carbon and hydrogen which reacts with oxygen on burning and changes into carbon dioxide gas and water which escapes into the air. This is a chemical change. As a result, candle melts and reduces in size. This is a physical change.

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Answer 2

Answer:

this is bcoz when a candle burns that time it's lenght decreases this is physical change . While this happens the wax also melts which is chemical change. Hence burning of candle is both physical and chemical change.

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