Parts of the Bunsen Burner w/ Functions

Question 1

What are the six parts of a Bunsen Burner?

Answer 1

Rubber Tube/ Gas Hose
Base
Collar
Gas Jet
Air Hole
Chimney/Barrel

Question 2

What is the Gas hose’s function?

Answer 2

The gas hose connects the Bunsen Burner to the gas tap

Question 3

What is the function of the Base?

Answer 3

The Base balances the Bunsen Burner

Question 4

What is the function of the collar?

Answer 4

The Collar regulates the amount of air entering the burner.

Question 5

What is the function of the Gas Jet?

Answer 5

The Gas Jet allows gas into the chimney

Question 6

What is the function of the Air Hole?

Answer 6

The Air Hole allows air into the chimney

Question 7

What is the function of the Chimney/ Barrel?

Answer 7

The Chimney or Barrel allows for the mixing of air and gas

Question 8

Which flame do you see when the air hole is closed?

Answer 8

Luminous flame

Question 9

Which flame do you see when the air hole is open?

Answer 9

Non-luminous flame

Question 10

Which flame is the easiest to see?

Answer 10

The bright, yellow Luminous flame

Question 11

Which flame is more noisy?

Answer 11

The roaring blue non- luminous flame

Question 12

Which flame produced soot?

Answer 12

The Luminous flame

Question 13

How is a Luminous Flame produced?

Answer 13

When the air hole of the Bunsen burner is closed after it is lit. This is due to the absence of oxygen.

Question 14

How is a Non-luminous Flame produced?

Answer 14

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.

Question 15

What is the colour of a Luminous Flame?

Answer 15

Bright Yellow

Question 16

What is the colour of a Non-luminous Flame?

Answer 16

Blue

Question 17

How does a Luminous Flame sound?

Answer 17

There is hardly any sound, it burns quietly

Question 18

How does a Non-luminous Flame sound?

Answer 18

Sharp whooshing sound, it burns loudly

Question 19

What is the Hotness of a Luminous Flame?

Answer 19

Moderately Hot

Question 20

What is the Hotness of a Non-luminous Flame?

Answer 20

Very Hot

Question 21

What is the Size and Motion of a Luminous Flame?

Answer 21

Large and Unsteady

Question 22

What is the Size and Motion of a Non-luminous Flame?

Answer 22

Small and Steady

Question 23

Does a Luminous Flame produce Soot?

Answer 23

Yes

Question 24

Does a Non-luminous Flame produce Soot?

Answer 24

No

Question 25

What is Soot?

Answer 25

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.

Question 26

What are the Steps to lighting a Bunsen Burner?

Answer 26

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.