Question

0.10. During buming of a candle both physical and chemical change take place can you distinguish these? Justify your answer.​

Answer 1

Answer:

Explanation:

In the burning of a candle, both physical and chemical changes take place.

Physical - The solid wax of the candle first melts to form liquid wax which then turns into wax vapour. Both of these changes can be reversed and thus, are physical changes.

Chemical - The wax vapour then burns. This change cannot be reversed and hence is a chemical change.

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