Safe Handling and Operation of the Bunsen Burner

Try these questions

5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.

1. 1. Which of these shows the correct safe order for lighting a Bunsen burner?

   • A. Turn on the gas tap, close the air hole, strike a match, adjust the collar
   • B. Strike a match, turn on the gas tap, open the air hole fully, close the collar
   • C. Close the air hole, strike a match, turn on the gas tap, adjust the collar
   • D. Open the air hole, turn on the gas tap, strike a match, close the collar

2. 2. A learner must step away from the bench while the Bunsen burner is still on. Why should the burner be switched to the yellow luminous flame?

   • A. It is hotter than the blue flame
   • B. It is easy to see, so people will not burn themselves on it by accident
   • C. It uses less gas than the blue flame
   • D. It stops the barrel from getting hot

3. 3. A Bunsen burner strikes back: the flame burns inside the barrel with a popping sound. What is the first thing you should do?

   • A. Turn off the gas tap at the bench supply
   • B. Hold the barrel to turn it upside down
   • C. Open the air hole wider
   • D. Pour water on the burner

4. 4. What is the name of the movable ring at the base of the Bunsen burner barrel that opens or closes the air hole?

   Type your answer in the lesson.

5. 5. When heating liquid in a boiling tube over a Bunsen burner, at what angle, in degrees, should the tube be tilted?

   Type your answer (in degrees) in the lesson.

More in Laboratory Safety

• ▸First Aid Measures Laboratory Burns and Scalds
• ▸First Aid Measures Cuts and Glassware Injuries
• ▸First Aid Ingestion and Inhalation
• ▸Fire Safety and Emergency Response
• ▸Safe Handling and Care of Laboratory Glassware and Measuring Apparatus
• ▸Safe Handling and Care of Optical Instruments The Microscope
• ▸Electrical Safety and Safe Circuit Assembly
• ▸Safe Chemical Handling

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