Why does a goldsmith blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver?
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Goldsmiths use the outermost part/zone of the flame to melt gold and silver because the outermost zone of the flame undergoes complete combustion and is the hottest part of the flame.
A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flame increases. ... Otherwise the goldsmith blows the outermost, hotter zone of the flame on the jewellery.
A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flame increases. ... Otherwise the goldsmith blows the outermost, hotter zone of the flame on the jewellery.
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Answer:
Goldsmiths use the outermost part/zone of the flame to melt gold and silver because the outermost zone of the flame undergoes complete combustion and is the hottest part of the flame.
A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place
Explanation:
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