Question

burning of candle is why chemical change . give reason​

Answer 1

Answer:

When a candle burns, the oxygen in the air reacts and forms carbon dioxide. A new substance, the CO2 is formed. So it is a chemical change. When the candle melts, no new substance is formed and the molten wax can be again solidified and made into a candle and it is a reversible change.

Answer 2

Answer:

burning of candle is chemical change because if you burn a candle you can't get it again as it is first ..