Which zone of a flame does a goldsmith use for melting gold and silver and why?

cbse
cbse-class-8-science
combustion-flame

#1

Which zone of a flame does a goldsmith use for melting gold and silver and why?

Answer:
Goldsmiths use the outermost part/zone of the flame to melt gold and silver. This is because the outermost zone of the flame undergoes complete combustion and is the hottest part of the flame.