Final answer:
To safely prepare and light a Bunsen burner, ensure the flint lighter works, inspect and connect tubing properly, open the gas valve, and adjust the air inlet. Safety precautions include working in a well-ventilated space, securing loose clothing, and never leaving the flame unattended. Hence, all options are correct.
Step-by-step explanation:
When preparing and lighting a Bunsen burner, several key steps must be followed to ensure safety and proper use. The steps that are part of the procedure include:
- Ensuring that the flint lighter will produce a spark.
- Inspecting tubing for damage before connecting it to the gas line.
- Connecting gas tubing to the gas line outlet securely to prevent leaks.
- Opening the gas valve at the base of the burner to allow gas to flow.
- Opening the air inlet by rotating the barrel counterclockwise to control the flame.
It's crucial to use a Bunsen burner in a well-ventilated area, keep all flammable materials away, and adhere to all safety instructions provided by the teacher. Always tie back loose clothing and hair, be alert and careful when handling any materials around the open flame, and never leave the Bunsen burner or any flames unattended.
Hence, all options are correct.
Which of the following statements are part of the procedure for preparing and lighting a Bunsen burner?
(Select all that apply)
1. Ensure that the flint lighter will produce a spark
2. Open the air inlet by rotating the barrel counterclockwise
3. Open the gas valve at the base of the burner
4. Inspect tubing for damage
5. Connect gas tubing to gas line outlet