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The flame temperature of a Bunsen Burner can be as high as 1500 C. This is not easily obtained and in usual practice the upper regions of the flame hit around 900-950 C, while the tip of the inner blue cone should come in at around 1100 C. Depending on the operating temperature the following list can be sorted as to whether or not it will melt in an average or extreme Bunsen Burner flame.
Melting Points of Commonn Metals in C are:
- Aluminum1 659
- Brass1 927
- Bronze 913
- CastIron 1204
- Copper 1083
- Gold 1063
- Lead 163
- Magnesium 651
- Nickel 1452
- Silver 951
- Steel 1371
- Tungsten 3399
- Wrought Iron 148
- Zinc 419
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Which metals can you boil with a Bunsen flame?
Metals like aluminum, gold, and silver have relatively high melting points and cannot be boiled with a Bunsen flame, as their melting points are much higher than the temperature a Bunsen flame can reach. Metals like lead and tin have lower melting points and can be boiled with a Bunsen flame.
Can you melt ionic compounds in a Bunsen burner flame?
It is not recommended to melt ionic compounds using a Bunsen burner flame because the intense heat can lead to decomposition of the compound or produce toxic fumes. It is safer to use a method like heating in a crucible with a low flame or using a heating mantle for melting ionic compounds.
What temperature would sodium melt with a bunson flame?
Sodium will melt at a temperature of 97.8°C when exposed to a Bunsen flame. This is because the melting point of sodium is relatively low compared to other metals. It is important to handle molten sodium with care due to its reactivity with water and air.
Which elements may be excited using a Bunsen burner flame?
Metals such as sodium, potassium, calcium, and copper can be excited using a Bunsen burner flame to emit characteristic colors. This technique is commonly used in flame tests to identify different elements based on the color of light they emit when heated.
Is there a flame at the top of a Bunsen burner?
No, the flame of a Bunsen burner does not have a visible flame at the top. The blue flame is the hottest part of the flame and is seen just above the burner.
