Question

Long-answer type questions :
1. (a) When a candle burns, both physical and chemical changes take place. Identify these changes. Give another examp)
of a familiar process in which both physical and chemical changes take place.​

Answer 1

Answer:

Cooking of food, boiling of eggs are examples of both physical and chemical changes.

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