The Bunsen Burner

Question 1

Answer 1

Question 2

State the steps in using a bunsen burner?

Answer 2

1.

Question 3

What should you do if the match is extinguished before the Bunsen burner is lit?

Answer 3

Turn off the gas tap immediately.

Unburnt gas from the gas tap is poisonous and flammable.

Question 4

What type of flame will get on a bunsen burner when the ai-holes are CLOSED?

Answer 4

This type of flame is called a LUMINOUS FLAME

Question 5

What type of flame will get on a bunsen burner when the ai-holes are OPENED?

Answer 5

The flame changes colour and the type of flame obtained is called a NON-LUMINOUS FLAME

Question 6

Answer 6

Question 7

State the difference between luminous flames and non-luminous flames.

Answer 7

Luminous flames are obtained by closing the air hole, this flames brighter

Non-luminous flames are obtained by opening the air hole. This flame is hotter.

Question 8

State the procedure for lighting a Bunsen burner?

Answer 8

1. Connect the Bunsen burner to the gas tap with a piece of rubber tubing.
   2.Turn the collar to close the air-holes.
2. Light a match. Hold the lighted match over the top of the barrel and turn on the gas tap with your free hand.
3. Turn off the gas to put out the flame.
   5.Repeat steps 3 and 4 until you are familiar with the procedure of lighting a Bunsen burner.