Science, asked by elbeby, 1 year ago

which flame zone is used by goldsmith a black zone b yellow zone c blue zone d all

Answers

Answered by mdasjadrahi
2
Goldsmiths use the outermost zone of a flame i. e. blue which is the hottest zone......
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This zone is of blue colour because sufficient air is present for complete combustion.
Answered by Shyam007
2
c - blue zone

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