Question

When a candle bums, both physical and chemical chane
chemical and the physical changes take place
of curd is a chemical change?
these changes. Give another example of a familiar process in which corbon dxidie​

Answer 1

Answer:

Since, it again turns into solid wax on cooling. The change is reversible. Chemical changes in burning candle The wax near to flame burns and gives new substances like carbon dioxide, carbon soot, water vapours, heat and light. Cooking of food, boiling of eggs are examples of both physical and chemical changes.

Explanation:

When a Candle is burnt, a chemical change takes place

Answer 2

Explanation:

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