Question

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

• A.
  Outer zone
• B.
  Middle zone
• C.
  Inner zone
• D.
  Lower zone

Answer 1

The correct option is A

Outer zone

A goldsmith uses the outermost zone of a flame, which is non-luminous, to melt gold and silver as it is the hottest zone of the flame.