Chemistry C1 extra need to remember!!!!

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  • Created by: Naima
  • Created on: 28-12-10 20:15

Coal is mainly carbon. Petrol and diesal are hydrocarbons

hydrocarbons >>>>>>>>>>compounds of hydrogen


When fuels burn they react with oxygen  from the air

complete combustion

fossil fuels such as petrol,diesel fuel, natural gas and fuel oil consist mainly of compounds called hydrocarbons.

A hydrocarbon contains only hydrogen atoms and carbon atoms.

so when it is burned in the air, carbon dioxide  and water are produced.

incomplete combustion


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