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Bunsen Burners

The Bunsen burner was named after Robert Bunsen. It is commonly used in science laboratories. This category contains questions relating to the Bunsen burner, its use and its history.

1,143 Questions

How many things use a flame?

Many things use a flame, such as stoves for cooking, furnaces for heating, candles for illumination, and engines for propulsion. Flames are a common source of heat and light energy in various applications.

How do you safely heat a small amount of water using a Bunsen burner?

Fill a small beaker with water, place it on a heat-resistant mat, adjust the Bunsen burner so the flame is light blue and not too large, then heat the beaker gently by moving it back and forth over the flame until the water reaches the desired temperature. Remember to always wear appropriate safety gear and handle the Bunsen burner with caution.

How do you heat a solid in a Bunsen flame?

A solid can be heated in a Bunsen flame by placing it on a heat-resistant material like a ceramic or wire gauze, and then holding it above the flame. The solid should be slowly moved through the outer part of the flame, where the temperature is higher, to ensure even heating. It's important to monitor the solid closely to prevent overheating or combustion.

What is used to light a Bunsen burnser?

A match or a striker is typically used to light a Bunsen burner. A match is held near the burner while the gas is flowing, or the striker is used to ignite the gas directly.

What is the ppm of sodium sulphide?

The ppm (parts per million) of sodium sulphide would depend on the concentration of sodium sulphide in the solution. To calculate the ppm, you would need to know the mass of sodium sulphide dissolved in a known volume of solution. This would allow you to determine the amount of sodium sulphide in relation to the total volume of the solution.

What was the feature that allowed the Bunsen burner to get a hot flame?

Robert Bunsen added an air hole to it so it could have oxygen as well as gas. when the air hole is open the flame you get is blue and is hotter than when the air hole is closed, which then gives a yellow flame.

What inspired Robert Bunsen to make th Bunsen burner?

Robert Bunsen was inspired to create the Bunsen burner because he wanted a more controlled and effective source of heat for his laboratory experiments. He collaborated with his assistant, Peter Desaga, to design a burner that produced a clean, hot flame suitable for a variety of scientific applications. The Bunsen burner revolutionized the field of chemistry by providing a reliable and adjustable source of heat for experiments.

Why you should not use a piece of burning paper to light the Bunsen burner?

the gas from the Bunsen burner will cause the existing flame to flare and burn the entire piece of paper and your fingers - and the lab. it's difficult to blow out the burning paper.

What sits on a tripod to spread the heat of a Bunsen burner?

When heating beakers, a ring or square of wire gauze is placed on top of the tripod over the burner. The gauze may incorporate an asbestos pad or coating. The wire spreads the heat to prevent overheating of one part of the beaker.

Does the flame of a Bunsen Burner make a noise?

The flame itself does not, at least, not a noticeable one, however, you can sometimes hear the gas leaving the source.

What is the function of spiritus burner?

A spirit burner is a type of portable heating device that uses a liquid fuel, such as alcohol, to produce a flame for cooking or heating purposes. It is commonly used in laboratories for tasks like heating solutions or samples in test tubes.

Is it safe to heat a flammable liquid sample in a beaker over a bunsen burner?

Heating a flammable liquid sample in a beaker over a Bunsen burner is not safe, as it can lead to a fire or explosion. It is better to use a heating mantle or a hot plate with appropriate safety measures in place to prevent any accidents.

What is the working mechanism of a Bunsen burner?

A Bunsen burner works by mixing gas with air in a controlled manner to create a hot, blue flame. The gas is released through a valve and mixes with air before being ignited by a spark to produce a hot flame. The amount of air and gas can be adjusted to control the temperature and type of flame produced.

What happens if you hold an ice-cream stick with a pair of tongs and move it in and out the luminous flame ten times?

If you hold an ice-cream stick with a pair of tongs and move it in and out of a luminous flame ten times, the stick will likely melt or char due to the heat from the flame. Luminous flames are very hot, and continuous exposure to such high temperatures will cause the ice-cream stick to burn or disintegrate.

What is the name for the thing that holds a test-tube over a Bunsen burner?

A test-tube holder, also known as test-tube clamp or test-tube rack, is used to hold a test tube over a Bunsen burner during heating. It is designed to ensure safe handling and prevent accidents while working with test tubes and heat sources.

Why it is necessary to hold the neck of the tube in the flame of the Bunsen burner?

Holding the neck of the tube in the flame of the Bunsen burner helps to sterilize the opening and prevent contamination of the contents of the tube. It also helps to create a slight updraft, preventing substances from escaping the tube. Additionally, it can help to soften the glass, making it easier to manipulate or seal the tube if needed.

What are the four steps to light up a Bunsen burner?

  1. Open the air hole at the base of the Bunsen burner.
  2. Turn on the gas supply and ignite the burner with a striker or a match.
  3. Adjust the air hole to control the flame size and type (safety flame or roaring flame).
  4. When finished, turn off the gas supply and close the air hole to ensure safety.

Will the flame be steady if the air hole of the Bunsen burner is half opened?

No, the flame will not be steady if the air hole of the Bunsen burner is half opened. Adjusting the air hole affects the air-to-fuel ratio needed for combustion. A half-open air hole may result in an incomplete combustion, leading to an unstable or flickering flame. Adjust the air hole until a steady blue flame is achieved.

When Bunsen gauze gets hot what do you see?

When Bunsen gauze gets hot, you generally see the metal mesh glowing red or even white hot, emitting heat and light. This indicates that the gauze is reaching high temperatures, which is important for conducting certain laboratory experiments properly.

Why the flame from the Bunsen burner should not come into contact with the part of the test tube above the water level?

The flame from the Bunsen burner should not touch the upper part of the test tube as it may cause overheating, leading to potential cracking or breaking of the glass. This can result in loss of the experimental contents, potential injury, or damage to the equipment. Additionally, it may also cause uneven heating of the contents in the test tube.

Why is it that when the air hole is closed the flame becomes yellow?

When the air hole is closed, the ratio of fuel to oxygen is unbalanced. This leads to incomplete combustion and the production of soot, which appears yellow. In contrast, a blue flame is a sign of complete combustion when the fuel and oxygen are properly balanced.

What lab equipment is used to suspend glassware over busen burner?

A ring stand with a ring clamp is typically used to suspend glassware over a Bunsen burner. The ring clamp securely holds the glassware, while the ring stand provides a stable base for the setup. This arrangement allows for controlled heating of the glassware during experiments.

Why you need to continue open the Bunsen burner when the experiment?

Continuing to keep the Bunsen burner open during the experiment ensures a stable flame for heating. It helps maintain a consistent temperature during the process, which is crucial for accurate and reliable results. Closing the Bunsen burner can cause fluctuations in temperature and affect the outcome of the experiment.

What does black soot deposited on the porcelain dish consist when it is being at the top of Bunsen burner?

The black soot deposited on the porcelain dish is primarily carbon particles that result from incomplete combustion of the gas in the Bunsen burner. The high temperatures at the top of the flame cause the gas to break down into carbon atoms, which then combine to form soot when they cool and deposit on the dish.

What type of energy change does a Bunsen burner use?

A Bunsen burner uses chemical energy from the combustion of a fuel, such as natural gas or propane, to produce heat energy through a flame.