SELECT * FROM question_mgmt as q WHERE id=6448 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=369 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Combustion and Flame which zone of a flame does a goldsmith use for mel

Question:

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

Answer:

A goldsmith used the outermost zone of a flame for melting gold and silver with a metallic blow pipe.

The outermost zone of the flame has the highest temperature i.e. sufficient to melt the gold and the silver.


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