Question

When a candle burns both reversible and irreversible changes take place explain

Answer 1

Answer:

Burning of candle is a reversible as well as an irreversible change.

When a candle burns melting of wax takes place and this is reversible change.

where as burning of the wick of the candle to produce light and heat energy is an irreversible process.

Answer 2

• When a candle burns the melting of wax takes place which can be reversed by again letting the wax to dry by putting it into the mold for the candle. But when  the wick of the candle burns to produce heat and light energy it is an irreversible change.