on combustion of hydrocarbons, CO2 is produced, which is colorless.since they are used as fuels why is the difference in color of smoke if we use diesel, petrol and kerosene(in generator,cars and aeroplane respect
different color of smoke of different vehicles
The color of the smoke depends on mainly two factors. The type of fuel used and whether the combustion of fuel is complete or not. If fuel used contains large amount of carbon in it then smoke is little bit sooty (black ). If the combustion of fuel is incomplete then also color of smoke is more black.