Question

When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the physical and chemical changes take place.​

Answer 1

Answer:

Give another example of familiar process in which both the chemical and physical changes take place. Answer: Physical changes in burning candle On heating, candle's wax melts, it is a physical change. Since, it again turns into solid wax on cooling.

Explanation:

Answer 2

Answer:

Explanation:

When the candle burns the wax will will melt and after sometime it will solidify.We can reverse this change so it is physical change.Now we will light the candle by lighting the wick.The wick burns and produces ash.A new product is produced and it can't be reversed.So it is a chemical change. While cooking food after we cook the food the food we can't make the food raw again.This is a chemical change.Whereas while we cook the food we keep it on the stove.We will on the stove while cooking and off it after cooking.This is a physical change because it can be reversed.

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