Question

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

Answer 1

Answer:

The physical change is the change of solid wax to liquid state on heating .

The chemical change is the burning of the candle string to produce smoke .

Explanation:

Answer 2

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