Candle combustion produces a small amount of carbon, while cigarettes are rich in solid particles such as carbon dioxide, and carbon has strong adsorption. When candles burn, due to the high carbon content, the combustion is incomplete, resulting in black smoke (mainly composed of elemental carbon). It has adsorption, so it can absorb the smell of smoke.
Extended data:
Wax is an ester composed of higher fatty acids and higher monohydric alcohols, in which a small amount of free higher fatty acids, higher alcohols and higher hydrocarbons can exist simultaneously. For example, the main component of ash in China is wax ester; The main component of beeswax is palmitic acid beeswax ester.
There are many uses: for example, pinching a small wax figure, lighting, offering sacrifices, candlelight dinner, decoration, wiping badminton strings, wiping zippers, adding essence to candles, emitting fragrance, carving flowers, carving fish and so on.