Question

While shaping gold into ornaments, which part of flame is

used by goldsmith?

(a) Luminous (b) Non-luminous

(c) Innermost zone (d) Whole flame​

Answer 1

Answer:

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