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Why the flame from the Bunsen burner should not come into contact with the part of the test tube above the water level?
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Why do you turn of Bunsen burner before water evaporates?
you don't have to!The above answer is dangerous and incorrect:You turn off the burner before the water evaporates so the glass will not shatter and spray glass shards and dangerous chemicals all over the lab. You should because then it will be so hot around 90-100 degrees and it can burn you
What is the function of ring stand in chemistry?
In chemistry, a ring stand places a heated sample above the direct flame of a Bunsen burner.
Which is the hottest part of the Bunsen Burner flame?
If you turn it to the "Roaring Blue Flame" you should see a small blue cone within the actual flame, the hottest part is actually just above that cone, contrary to common mistake that it is inside the "blue cone". The blue cone is just the gas that has not been ignited yet.
Why do you have to use wire gauze in heating beaker?
the base of an evaporating dish is rounded and will not be stable when placed on a gauze, hence a triangle (tripod) to hold its base better . Also, when you heat the beaker, you put the wire gauze above the triangle(tripod) and the triangle(tripod) above the Bunsen burner.
What is the use of the laboratory tripod?
meant to be used in conjunction with wire gauze or a sand bath --------------------- A tripod is an object with three feet welded to a superior frame (generally circular or as a triangle). See the link below to see different models of tripods. The tripod is used in a laboratory to support various laboratory glassware, ceramic ware, equipments, etc.
What is the symbol for a Bunsen burner?
it doesn't have a meaning, Robert Bunsen created it so it was thought to him to call his invintion a Bunsen burner!
Use of tripod stand?
to hold objects above a Bunsen burner eg. a an evaporation basin :)
What is tripod stand use for?
to put comtainers upon, especially when heating above a Bunsen burner
What is an gauze mat used for?
A gauze mat is used below bunsen burners as it protects the tripod or surface which the bunsen burner might be on. It is most likely to be made of thick metal threads threaded into a mat or square. It is best if it is not touched during an experiment including a bunsen burner as it probably will result in mild to severe burns.
What is the use of rings?
In chemistry, a ring stand places a heated sample above the direct flame of a Bunsen burner.
What apparatus that can adjustable support for most labware above a Bunsen burner flame?
Taga USeP ka noh?
What is the use of ring stand?
In chemistry, a ring stand places a heated sample above the direct flame of a Bunsen burner.
Where does the air enter the Bunsen burner?
There is an opening at the bottom of the barrel above where the gas enters. There will be a valve or collar that changes the size of the opening.
How does cold water turn in to hot water?
Heat it. Place a 300ml sample of the cold water in a 500ml beaker and place the beaker on a retort stand about six inches above a standard laboratory Bunsen burner. Turn on the gas and ignite the Bunsen burner. Allow the flame to heat the water for several minutes. When small bubbles begin to form in the water, shut off the Bunsen burner and measure the temperature.
How do you make a compound with copper and sulfur?
copper sulphate?heat together in an evaporating basin on a gauze above a Bunsen burner and stir maybe?
What colour flame in the Bunsen burner is the noisiest?
Blue - since it draws air up the tube of the burner from the hole at the base. The noise is the sound of air being pulled into the tube by the heat of the flame above.
Why do you turn of Bunsen burner before water evaporates?
you don't have to!The above answer is dangerous and incorrect:You turn off the burner before the water evaporates so the glass will not shatter and spray glass shards and dangerous chemicals all over the lab. You should because then it will be so hot around 90-100 degrees and it can burn you
