Question

when a candle burns, both physical and chemical changes take place.Identify these changes.
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Answer 1

Answer:

when a candle burns both physical and chemical changes take place

Explanation:

Because candle is made up of a thread and wax.Wax can be melted and then when cooled changes in solid but the thread up of the candle once burnt,we cannot get it back.

Answer 2

Answer:

When a candle burns, both physical and chemical changes take place.

Physical change → Melting of wax

Chemical change → Burning of wax

Eating of food is another example where both physical and chemical changes occur simultaneously.

Physical change → Breaking down of larger food particles into smaller particles

Chemical change → Digestion of food