As far as I know it's just called the base, assuming anyone ever needs to call it anything (it's somewhat entertaining to try to envision a situation in which someone would desperately need to...
Funtions of the Bunsen burner! air-hole: to control the amount of air let into the Bunsen burner for combustion. barrel: To allow the flame to beat a suitable height for burning.( by helpingppl)...
A normal Bunsen burner has a chimney which contains gas, a collar to adjust the air hole, a air hole that will leak gas, a gas tap that provides gas to the burner and the rubber tubing leads gas to...