Question

Both reversible and irreversible changes take place when a candle is lit and burnt. Explain your answer​

Answer 1

Answer:

When a candle burns, both physical & chemical changes occur. Physical Changes in Burning Candle: On heating, candle wax melts and form liquid wax. ... This wax vapor near to flame burns and gives new substances like Carbon Dioxide, Carbon soot, water vapours, heat and light. This is an irreversible change.

Answer 2

Answer:

When a candle burns, both physical & chemical changes occur. Physical Changes in Burning Candle: On heating, candle wax melts and form liquid wax. ... This wax vapor near to flame burns and gives new substances like Carbon Dioxide, Carbon soot, water vapours, heat and light. This is an irreversible change.