Question

why does the candle gets smaller

Answer 1

Explanation:

On heating, candle wax melts, then turns into vapours which reacts with air to produce two new substances, carbon-dioxide and water. Therefore a candle on burning becomes smaller and smaller and the part of wax which has undergone chemical change cannot be recovered.

Answer 2

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$<marquee>WHY DOES THE CANDLE GETS SMALLER?</marquee>$

why does the candle gets smaller?

On heating, candle wax melts, then turns into vapours which reacts with air to produce two new substances, carbon-dioxide and water. Therefore a candle on burning becomes smaller and smaller and the part of wax which has undergone chemical change cannot be recovered.

related questions!;)

why does the candle melt on heating?

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.

what is a chemical change?

a change that is permanent.

hope it helps you;!

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