It depends on what you are using for a source and what you are heating, if in welding you would preheat your work piece with a rosebud torch tip using oxy-acetylene
the blue flame
a blue flame
Blue or heating flame.
The yellow flame is considered a safe flame. If you are using the Bunsen to heat you would open the air vent so the flame turns blue, try heat on a yellow flame and it'll end up covered in soot.
more oxygen
A Bunsen burner is a type of equipment used in a laboratory that releases one adjustable gas flame. It is used for combustion, heating, and sterilization.
The type of flame is just a normal flame
Decide which flame to use. If the air hole on the Bunsen is open you will get a roaring flame a more gentle heat, close the air hole a Little flame will be quiet.
A Bunsen burner is a type of equipment used in a laboratory that releases one adjustable gas flame. It is used for combustion, heating, and sterilization.
the orange ones
progressive tax
white flame