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Question

What are combustion and incomplete combustion?


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Solution

Complete combustion:

  • Complete combustion is the process in which a fuel reacts with oxygen to produce Carbon dioxide and water, where a large volume of air is required for complete combustion to take place.
  • Combustion is known as an exothermic process that releases energy in the forms of heat and light.
  • When a fuel undergoes complete combustion, it releases the maximum energy from the fuel which is being reacted.
  • The complete combustion of methane gives the following products: CH4(g)Methane+2O2(g)OxygenCO2(g)Carbondioxide+2H2O(g)Water

Incomplete combustion:

  • Incomplete combustion is called a process in which a reaction occurs between oxygen and fuel, but the products are Carbon monoxide and water.
  • Incomplete combustion occurs when combustion occurs in an insufficient supply of oxygen.
  • Incomplete combustion can also produce pure carbon soot, which is messy and can build up in chimneys.
  • The incomplete combustion of methane gives the following products: 2CH4(g)Methane+3O2(g)Oxygen2CO(g)Carbonmonoxide+4H2O(g)Water

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