why goldsmiths blow the outermost zone of a flame to melt gold and sliver
Answers
Combustion And Flame. Goldsmiths blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver. ... The melting point of gold and silver is very high therfore goldsmiths need maximum temperature. Hence goldsmith use outermost part of the flame because it is the hottest part of flame.
Answer:
A flame mainly contains three parts; the outermost part, the middle part, and the innermost part. The outer part of the flame provides the maximum heat, and it produces a blue color.
Goldsmiths melt gold and silver with the use of the outermost part of the flame because gold and silver have a high melting point and they require a maximum amount of heat.
The outermost part of the flame contains a high amount of heat, and it also allows the particles to undergo complete combustion.
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