12. Which part of flame is used by Goldsmiths for making gold ornaments and why?
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Explanation:
goldsmith uses the outer part of the candle flame for melting gold and silver. This is because in this zone of flame, the temperature is the highest helping these metals to melt easily
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Explanation:
A goldsmith uses the outer part of the candle flame for melting gold and silver. This is because in this zone of flame, the temperature is the highest helping these metals to melt easily.
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