Scarlet: Bunsen burner

Name the apparatus.

• Labo gas

• Bunsen burner

In a Science lab, the Bunsen burner used for _____ .

• heating

• cooking

Part A is called the _____ .

• barrel

• collar

• air hole

• chimney

The collar of the Bunsen burner is _____ .

• A

• B

• C

• D

The air hole _____ .

• allow the air and gas to mix

• control the amount of air entering the barrel

• to open or close the air hole

The function of the collar is _____ .

• to control the amount of air entering the air hole

• to allow the air and gas to mix

• to raise the flame to a suitable height

• to allow the air to enter the barrel.