a)  Interpret the zone of the flame used by a goldsmith  for melting gold and silver. Justify your answer.
b)  Illustrate using a diagram the conditions required for combustion.
pls answer fast

Dear Student,
The solution to your first query has been provided below:
(a) A goldsmith uses the outermost zone, i.e., non-luminous zone of the flame, for melting gold and silver.It is so because it is the hottest zone of the flame which is having more temperature.
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