10 Questions
Which part of a fire is considered a flame?
The visible part
What happens when flames are hot enough to have ionized gaseous components of sufficient density?
They become plasma
What determines the color and temperature of a flame?
The type of fuel involved
What happens when a lighter is held to a candle?
The candle wax vaporizes
What is the term for the process in which fuel molecules vaporize and react with oxygen in the air to sustain a flame?
Combustion
Which term describes the chemical reaction between a fuel and an oxidant that produces gaseous products and a characteristic flame?
Combustion
What is the term for the process in which solid fuels undergo endothermic reactions to produce gaseous fuels that can sustain combustion?
Pyrolysis
What is the visible indicator of a combustion reaction?
Flame
What is the term for the minimum amount of energy required to initiate a combustion reaction?
Activation energy
What is the term for the sequence of elementary radical reactions that often occur during combustion?
Combustion
Test your knowledge on flames and their mechanisms in this quiz. Learn about the different colors and temperatures of flames and how they are influenced by the type of fuel involved in combustion.
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