Q&A for How to Light a Bunsen Burner

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  • Question
    Why can't you use a match to light a bunsen burner?
    Bess Ruff, MA
    Environmental Scientist
    Bess Ruff is a Geography PhD student at Florida State University. She received her MA in Environmental Science and Management from the University of California, Santa Barbara in 2016. She has conducted survey work for marine spatial planning projects in the Caribbean and provided research support as a graduate fellow for the Sustainable Fisheries Group.
    Environmental Scientist
    Expert Answer
    You can technically use a match to light a Bunsen burner, but it is not advised. A striker or utility lighter gives you some distance between your hand and the gas so that when the flame is ignited it is less likely that you will get burned. Since a match is much shorter, your hand is closer to the flame when it ignites, increasing the possibility of getting burned.
  • Question
    How to get the orange flame and the blue flame?
    Community Answer
    Lessen the amount of air and gas being produced to create a safety/yellow flame. Turn the air and gas up to create a large blue flame.
  • Question
    What happens if there are cracks in the tube?
    Community Answer
    The gases will be released into the room. You should not use a Bunsen burner with a crack in the tube.
  • Question
    What is the hottest temperature
    Community Answer
    When it's set to the highest temperature, the hottest part of the flame can reach 1500 degrees Celsius, or about 2700 degrees Fahrenheit.
  • Question
    What is the color of the hottest flame?
    Community Answer
    You should only be able to see the roaring flame very faintly, and it should be a sort of see-through blue.
  • Question
    Why can't I touch it when it's on?
    Community Answer
    You will get burned by the flame unless it is not getting supplied oxygen. This is described as the safety flame.
  • Question
    What is the pipe portion of the Bunsen burner called?
    Michael Li
    Community Answer
    It is often referred as the "burner tube," but some might refer it as the "barrel."
  • Question
    Why should I close the air hole when I am not heating something with a Bunsen Burner?
    Community Answer
    When you close the air hole it deprives the flame of oxygen and lessens the heat. This makes the flame safe to put your hand in. When you walk away from the Bunsen burner it should be left like this because if someone accidentally puts their hand in the flame, they will be less likely to get burnt.
  • Question
    Can I use a bunsen burner to cook something?
    Community Answer
    Yes, but it would be very hard to do so. The flame is too small to cook properly, so it would take a long time and wouldn't evenly distribute heat on the cooking surface.
  • Question
    What color should a Bunsen burner flame be?
    Community Answer
    Safety flame, when it is deprived of oxygen from the air lock, is a yellow-orange color. When roaring, you should have a see-through flame with the odd flicker of orange or blue.
  • Question
    Why should a non-luminous flame be turned to a luminous flame if the Bunsen burner is not in use?
    Community Answer
    So that nothing happens to it and if you are able to see it, you are able to avoid it.
  • Question
    Can I put my hand through a safety flame on a Bunsen burner?
    Community Answer
    No, you could get third degree burns from this. It's still a flame.
  • Question
    What are the different flames produced by a Bunsen burner?
    Community Answer
    There are two different flames produced by a Bunsen burner: a roaring flame and a safe flame. A roaring flame is the one that appears blue and is used to heat substances, whereas a safe flame is orange and is used when you are not heating anything. Keep anything that dangles away from the flame, such as hair, clothing and jewelry.
  • Question
    What happens when the gas tap is off?
    Community Answer
    There will be no fire on the Bunsen burner, as in it would be turned off. Make sure everything is turned off as well when closing.
  • Question
    What’s the difference between a Bunsen burner and an advanced Bunsen burner?
    Edward Science Innovations
    Community Answer
    You might be talking about the different types. The one in the image is called a Tirril burner (Tie rill) it is much more precise in gas and air adjustments. A normal Bunsen is just a metal block with a nozzle, and the burner tube or barrel is screwed on. The normal Bunsen has a metal ring with holes that you can rotate to change the airflow. The Tirril has a nut like metal ring that you rotate which has finer adjustment. Basically there are 2 main types, Tirril which is more precise and burns hotter, and the normal Bunsen, which is less precise, but more common. Tirrils are usually used in school labs.
  • Question
    What would a Bunsen burner setup look like for a heating experiment?
    Edward Science Innovations
    Community Answer
    For a test tube, you would either use a test tube holder that you hold, or a test tube mounted in a utility clamp on a ringstand, tilted 45 degrees usually. For evaporation dish, conical (erlemyer) flask or beaker, you would use a ring with usually wire gauze and place the evaporating dish/beaker/conical flask on the wire mesh which is placed on the ring which is mounted on a stand. For crucibles, you would use a ring, clay triangle, and crucible, clay triangle placed on the ring, which is mounted to a stand, and the crucible is placed on the clay triangle.
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