Question

wheb a candle burns, both physical and chemical changes take place. Identify these changes.Give another example of a familiar.

Answer 1

hey hi!

when a candle burns wax is used a fuel so it is called a chemical change, but if the candle is slightly tilted and the wax melts down and forms solid wax. we can take this and melt it again, so it is a physical change.

example: physical and chemical changes occur in digestion, chewing food is a physical change . Digestion of food is chemical change.


hope this helps

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Answer 2

when a candle burns some gasses are produced which is a chemical

when the wax melts it is a physical change.

one more example-  when ammonium chloride crystal is dissolved in water