Question

Why burning of candle a irreversible change

Answer 1

Answer:

The burning of candle wax to form hydrocarbons is a chemical change. The burning of the candle wick is a chemical/irreversible change. While the melting of wax is reversible, It can be again used after it has been melted as it gets back to its original form once the temperature gets lower.

Answer 2

wax can not be produced again