Questions and Answers
What should you check before using laboratory equipment?
Make sure that all equipment is clean and in good working order.
What is the purpose of a fire blanket?
To wrap around and suffocate flames by removing the oxygen supply.
What safety gear should you wear when operating a Bunsen burner?
What should you check for in the gas supply line?
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How should you connect the supply hose to the Bunsen burner?
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What part of the Bunsen burner should you handle?
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What is the purpose of the base of a Bunsen burner?
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Where is the hottest part of the flame in a Bunsen burner?
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What happens if the collar of the Bunsen burner is turned to close the air ports?
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Define 'base' in the context of a Bunsen burner.
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The part that can be rotated to expose slots in the barrel is called the ______.
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The upright part of the Bunsen burner is called the ______.
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The ______ of the flame is the hottest part.
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The ______ part of the flame is cooler.
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Air is introduced into the barrel through the ______.
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The tubing that supplies gas to the burner is called the ______.
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The part of the Bunsen burner that provides stability is known as the ______.
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Study Notes
Bunsen Burner Safety and Components
- Ensure all equipment is clean and functional before use, with all materials readily available.
- Know the location and usage of safety equipment, such as fire blankets and extinguishers, to quickly react in emergencies.
- Wear appropriate safety gear like goggles, and secure long hair and loose clothing to prevent fire hazards.
- Inspect gas supply lines for cracks by squeezing and bending the tubing; replace any damaged tubing to avoid gas leaks.
- Connect the gas supply hose securely to both the gas main and the Bunsen burner to prevent gas escaping.
- Handle the burner only by the base or collar to avoid burns from the hot barrel after use.
- The base provides stability to the Bunsen burner, while the barrel contains the air and gas mixture essential for combustion.
- The collar of the burner can be rotated to open or close air ports that control the introduction of air into the gas mixture.
- The hottest part of the flame is located at the tip of the inner flame, crucial for effective heating in experiments.
- The air and gas mixing process occurs within the barrel; turning the collar controls the flame color and heat, with a closed collar producing a cooler yellow safety flame.
- The needle valve and collar work together to adjust the gas and air mixture ratio, impacting the flame's heat and height.
- Equimolar ratios of gas and air produce the hottest flame, while the total volume of gases influences flame size and intensity.
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Description
Test your knowledge on Bunsen burner safety and its various components. This quiz covers essential safety practices, equipment usage, and handling techniques necessary for safe laboratory practices. Ensure you're well-informed to prevent accidents during experiments.
