if you are talking about what flame to use on a Bunsen burner than the yellow flame is to make sure that everyone knows that there is a flame but the blue flame (less visible) is used as the hotter flame and the better one.
You can't it is always the same. You only use the blue flame to heat things because the yellow flame is the safety flame and the blue flame is hotter.
Blue or heating flame.
There are many good types of Cherry hardwood floors to use. The best type of Cherry hardwood floors to use would probably the Brazilian Cherry hardwood floors.
To provide a flexible desktop flame source for heating.
Members of phylum Annelida, simply put, worms.
the blue flame
flame libra
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.
use the turning dial at the bottom
Non- luminous flame should be used as it is steady and produces little or no soot.
white flame
The best stamina type bey is neither burn fireblaze,flame libra or flame saggitario;it is actually phantom orion(a bey that appears in the newest series,beyblade metal fury) this bey can solo-spin for a whopping 7-8 minutes...way better than all the other beys
a blue flame
Carpets used in aeroplane meet the safety requirements for smoke, flame and toxicity.
We do not use the blue flame as such only. It will not be efficient for use alone.
why do people use flame for a sign of life?