Parts of the Bunsen Burner w/ Functions Flashcards
What are the six parts of a Bunsen Burner?
Rubber Tube/ Gas Hose
Base
Collar
Gas Jet
Air Hole
Chimney/Barrel
What is the Gas hose’s function?
The gas hose connects the Bunsen Burner to the gas tap
What is the function of the Base?
The Base balances the Bunsen Burner
What is the function of the collar?
The Collar regulates the amount of air entering the burner.
What is the function of the Gas Jet?
The Gas Jet allows gas into the chimney
What is the function of the Air Hole?
The Air Hole allows air into the chimney
What is the function of the Chimney/ Barrel?
The Chimney or Barrel allows for the mixing of air and gas
Which flame do you see when the air hole is closed?
Luminous flame
Which flame do you see when the air hole is open?
Non-luminous flame
Which flame is the easiest to see?
The bright, yellow Luminous flame
Which flame is more noisy?
The roaring blue non- luminous flame
Which flame produced soot?
The Luminous flame
How is a Luminous Flame produced?
When the air hole of the Bunsen burner is closed after it is lit. This is due to the absence of oxygen.
How is a Non-luminous Flame produced?
When the air hole of the Bunsen burner is open after it is lit. The gas burns in the presence of oxygen to produce the non-luminous flame.
What is the colour of a Luminous Flame?
Bright Yellow
What is the colour of a Non-luminous Flame?
Blue
How does a Luminous Flame sound?
There is hardly any sound, it burns quietly
How does a Non-luminous Flame sound?
Sharp whooshing sound, it burns loudly
What is the Hotness of a Luminous Flame?
Moderately Hot
What is the Hotness of a Non-luminous Flame?
Very Hot
What is the Size and Motion of a Luminous Flame?
Large and Unsteady
What is the Size and Motion of a Non-luminous Flame?
Small and Steady
Does a Luminous Flame produce Soot?
Yes
Does a Non-luminous Flame produce Soot?
No
What is Soot?
Luminous flames do not get enough oxygen to turn all the carbon that is being burnt into carbon dioxide. Some of this excess carbon produces soot which is a black substance.
What are the Steps to lighting a Bunsen Burner?
Step 1: Ensure that the rubber tube/ gas hose has no holes/cracks then connect it to the gas tap.
Step 2: Turn the collar to completely close the air hole.
Step 3: Light the match.
Step 4: Turn on the gas tap
Step 5: Hold the match to the side of the mouth of the chimney to allow for a flame to be ignited.
Step 6: Put the match out and put the burner in safety mode by turning the collar to open the air hole.
