How does Bunsen burner work?
Answers
Answer:A Bunsen burner is made entirely of metal. In order to function properly, Bunsen burners must have a barrel (A) that's approximately five inches long, a collar (B) with air holes (C), a gas intake (D) and gas valve (E) and a stand (F) to keep all of the pieces from making contact with a work surface.
Function
Once connected to a source of fuel, usually methane, the Bunsen burner can be ignited with a spark. Incoming gas reacts with oxygen in a one-to-three ratio to produce a blue flame that comes out of the top of the barrel.
Adjusting the gas valve on the Bunsen burner changes the volume of gas flow; the more gas entering the burner, the larger the flame. The collar at the base of the barrel contains air holes to control the amount of oxygen reacting with the gas. The collar can be rotated to adjust oxygen intake. In general, the more oxygen present, the more intense and blue the flame will be. Less oxygen lends to a weaker yellow flame. The more oxygenated blue flame is both hotter and more controlled than the oxygen-deprived flame; scientists generally prefer a controlled blue flame.
