Name four products of incomplete combustion

Burning of Petrol or Diesel to run your Car.

Combustion of Natural Gas or LPG to cook for on your stovetop.

For the production of energy in thermal power plants.

Fireworks

Explanation:

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its first and third is your answer i did the qustion the fourth isnt right

chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.