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Combustion

QuestionAnswer
What is the word equation for the chemical reaction that takes place when a gas burns? natural gas + oxygen -> carbon dioxide + water
What is the gas that is always used up when a fuel burns? oxygen
What are the two elements that must be present in a natural gas? hydrogen and carbon
Why does a candle in a jar go out? The amount of oxygen is limited. if the candle wan't in the jar, it would keep burning because there would be an unlimited supply of oxygen.
Heat is a form of _____ that fuels give out when they burn? energy
What is a process in the human body that is similar to combustion? respiration
What type of reaction is combustion and why? It is an exothermic reaction because energy is given out during the reaction.
What is another word for combustion? burning
Created by: nee
 

 



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