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Because yellow is bright colour and if you see it from a distance you will be able to see it
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What kind of flame is a yellow flame called?
A yellow flame is named as a safety flame as it isn't as hot as the blue flame
What are the two types of flame?
Blue Flame=Can't see (hotter then yellow flame) Yellow Flame (safety flame)=visible
Which flame is not suitable for heating in Bunsen burner and why?
The yellow flame because that is the safety flame
What is the yellow flame used for in a Bunsen burner?
As a safety flame, keep it on this if the burner is not in use :)
Bunsen burner blue flame?
The blue flame of the Bunsen burner is when it is hottest. The yellow flame is the safety flame. you should always start the burner on the safety flame which is produced when the holes on its base are closed.
Why is the yellow flame the safety flame?
Yellow flame can be seen easily and it doens't produce much heat.
Why is yellow flame called a safety flame?
Because it is cooler and more visible than a blue flame, making it safer.
How do you increase the temperature of a yellow flame coming out of a busen burner?
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.
Why should you use the yellow flame when the Bunsen burner is unattended?
Safety. The yellow flame is easier to see and burns much less hot.
What is the blue flame called of a Bunsen burner?
The blue flame is called a roaring flame and the yellow flame is called the safety flame.
Why is one of the flames called a safety flame on a Bunsen burner?
because the safety flame will do less harm compared to a roaring blue flame which burns at a hotter temperature. The tip of the dark blue bit in the blue flame is the hottest (The safety flame is the yellow one)
What is the hottest part of the flame from a Bunsen burner?
The hottest part is where the flame is light blue or blue; which gradually turns to yellow as the flame is cooled by the colder outer air. When the safety flame (yellow) is on, the hottest point is the tip of this flame.
