Question

A burning candle shows both physical and chemical changes simultaneously. Explain.

Answer 1

Explanation:

A burning candle produces wax vapours which solidify and form wax again is physical change. At the same time wax on burning produces water vapours and carbon - dioxide which escape into the atmosphere which are new substances with new properties. ... Hence burning of candle shows both physical and chemical changes.

Answer 2

Answer:

Melting of wax is physical change and burning of wax is chemical change. This is how both the changes occur at a same time.

Explanation: