Question

which zone of flame does a goldsmith used for melting gold and silver and why​

Answer 1

Answer:

A goldsmith uses the non-luminous zone (outermost zone) of candle flame to melt gold and silver because it is the hottest part of the candle flame and has most temperature.

Explanation:

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Answer 2

goldsmith uses the outermost blue flame or non luminous flame for melting gold and silver.non luminous zone or outermost zone is the hottest zone due to complete combustion of fuel

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