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771. Why do flames turn blue?
In a blue flame, two things are happening. First, the flame is very hot. Second, it is gas molecules that are glowing rather than pieces of soot. Very hot gas molecules glow blue.
Flames turn blue due to abundance of oxygen during combustion process, in turn undergoing complete combustion. A yellow/orange flame occurs when less oxygen supply is available due to lack of ventilation , in turn producing incomplete combustion, resulting in more CO², which pollutes the combustion process again, causing yellowish flames, until sufficient Oxygen and ventilation is provided.
In a blue flame, two things are happening. First, the flame is very hot. Second, it is gas molecules that are glowing rather than pieces of soot. Very hot gas molecules glow blue.
Flames turn blue due to abundance of oxygen during combustion process, in turn undergoing complete combustion. A yellow/orange flame occurs when less oxygen supply is available due to lack of ventilation , in turn producing incomplete combustion, resulting in more CO², which pollutes the combustion process again, causing yellowish flames, until sufficient Oxygen and ventilation is provided.