Question

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

Answer 1

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.

Answer 2

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• A goldsmith uses the outermost zone of a flame.

Explanation:

▶ This is because, in this zone of flame, the temperature is the highest helping these metals to melt easily.